Education and Side Business sources and dates

Where the starting numbers for the calculators in this group come from, and the date we checked each one. They are examples, not quotes.

Sources by Calculator

Back to all sources and dates. Each table lists a calculator's starting numbers, source links and check dates.

Side hustle real hourly profit

Assumption / InputStarting valueSourceChecked
Self-employment tax rate and 92.35% net earnings factor15.3% SE tax on 92.35% of Schedule C net (none under $400 of net earnings)Internal Revenue Service Topic No. 751 Social Security and Medicare withholding rates2026-10-16
Qualified Business Income (QBI) deduction20% Section 199A deduction (at least $400 from 2026 when QBI is $1,000 or more)Internal Revenue Service Qualified Business Income Deduction2026-10-16
IRS standard mileage deduction vs real cash vehicle cost$0.76/mile IRS deduction; $0.32/mile cashInternal Revenue Service Standard Mileage Rates2026-10-16
Typical gig and side-hustle weekly hours and gross revenue$450/week across 15 active + 4 unpaid hoursFederal Reserve Survey of Household Economics and Decisionmaking2025-11-15

Degree, bootcamp, or certification payback

Assumption / InputStarting valueSourceChecked
Yearly tuition, fees and books after grants, and program length$24,000/yr over 2 yearsNational Center for Education Statistics (NCES) Digest of Education Statistics2026-04-14
Current salary, starting salary after graduation, and yearly salary growth$58,000/yr to $82,000/yr (3.0%/yr growth)U.S. Bureau of Labor Statistics (BLS) Education Pays & Occupational Outlook Handbook2026-04-14
Student loans borrowed, loan rate and repayment term$36,000 borrowed at 8.07% APR for 10 yearsFederal Student Aid, interest rates for Direct Loans first disbursed July 1, 2026 to June 30, 20272026-10-16
Marginal tax rate on earnings changes24%Internal Revenue Service Federal Income Tax Brackets and FICA Rates2026-04-14
Earnings while in school and discount rate$15,000/yr in-school earnings, 5.0% real discount rateGeorgetown University Center on Education and the Workforce (CEW) ROI of Credentials2026-04-14

Craft fair and market booth payback

Assumption / InputStarting valueSourceChecked
Weekend craft fair or farmers market booth and permit fees$150 booth fee, $25 event permit/insuranceUSDA Agricultural Marketing Service National Farmers Market Survey2026-04-01
In-person tap and chip card reader fee2.6% + $0.15 per transactionSquare Published In-Person Card Processing Rates2026-10-16
Business driving mileage rate$0.76/mileIRS Standard Mileage Rates2026-10-16
Target hourly pay for craft and culinary production$20/hourU.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics2026-04-01

Marketplace vs own online store

Assumption / InputStarting valueSourceChecked
Etsy marketplace seller fees (transaction, payment, listing, offsite ads)6.5% referral, 3.0% + $0.25 payment, $0.20 listing, 1.5% blended offsite adsEtsy Published Fees and Payments Policy2026-10-16
eBay and Amazon Handmade comparison seller fee benchmarks13.25% to 15.0% combined referral and payment feeseBay Published Selling Fees2026-04-01
Standalone online store monthly subscription and card processing$39/month plan, 2.9% + $0.30 per online card transactionShopify Basic Plan Published Pricing2026-10-16
Small business ecommerce customer acquisition cost per order$2.50/order ad and marketing spendU.S. Small Business Administration Ecommerce Marketing Guide2026-04-01

Community college transfer vs 4-year university

Assumption / InputStarting valueSourceChecked
Community college and 4-year university tuition and room/board$4,000/yr 2-year tuition, $11,600/yr 4-year in-state tuition, $13,300/yr room and boardCollege Board Trends in College Pricing and Student Aid2026-04-01
Transfer credit loss and extra semesters to graduation0.5 extra semesters (average credit transfer friction)U.S. Government Accountability Office Higher Education Credit Transfer Report2026-04-01
Undergraduate federal student loan interest rate6.52% APR on 10-year standard repaymentFederal Student Aid, interest rates for Direct Loans first disbursed July 1, 2026 to June 30, 20272026-10-16
Bachelor's degree starting salary benchmark$62,000/year starting salaryU.S. Bureau of Labor Statistics Occupational Outlook and Education Pays2026-04-01

S-Corp vs LLC tax savings

Assumption / InputStarting valueSourceChecked
Self-employment tax and FICA rates plus Social Security wage base15.3% combined FICA (12.4% Social Security up to the $184,500 2026 wage base + 2.9% Medicare) on 92.35% of LLC net profitInternal Revenue Service Topic No. 751 Social Security and Medicare withholding rates2026-10-16
S-Corp reasonable owner W-2 compensation rules$70,000 W-2 salary on $140,000 net business profitInternal Revenue Service S Corporation Employees, Shareholders and Corporate Officers2026-04-01
Qualified Business Income (Section 199A) 20% deduction20% QBI deduction rate at 22% marginal federal bracketInternal Revenue Service Qualified Business Income Deduction2026-10-16
S-Corp payroll software, Form 1120-S CPA preparation, and state franchise fees$1,800/yr payroll and Form 1120-S tax prep, $450/yr FUTA/SUTA/workers comp, $800/yr state entity feeU.S. Small Business Administration Choose a Business Structure and State Franchise Tax Benchmarks2026-04-01

Hiring help vs turning down work

Assumption / InputStarting valueSourceChecked
Employer wages, payroll taxes, workers' compensation, and benefits load$32/hr base wage, 11.5% payroll tax & workers' comp, $4,800/yr benefits & softwareU.S. Bureau of Labor Statistics Employer Costs for Employee Compensation2026-04-01
Recruiting, onboarding, and first-year training overhead$2,000 upfront recruiting/onboarding + 4 hrs/wk owner supervisionSociety for Human Resource Management (SHRM) Human Capital Benchmarking2026-04-01
Small agency and professional services billable utilization and realization65% billable utilization at $95/hr ($110/hr owner rate)U.S. Small Business Administration Office of Advocacy Small Business Profiles2026-04-01

Tuition assistance clawback

Assumption / InputStarting valueSourceChecked
Tax-free limit (taxFreeCap)$5,250 a yearIRS, Updates to frequently asked questions about educational assistance programs, FS-2026-10 and IRS Publication 15-B2026-10-17
Other help that shares the limit (otherAssistance)$0IRS, FS-2026-10. That loan help is now permanent is secondary: it comes from law firm summaries, not the IRS page2026-10-17
Graduate and undergraduate coursesBoth qualifyIRS, Frequently asked questions about educational assistance programs, FS-2024-222026-10-17
Amounts above the limit are wagesTaxed as payIRS Publication 15-B and FS-2026-102026-10-17
Payroll tax (ficaPct)7.65%IRS Topic 751, Social Security and Medicare withholding rates. The 2026 wage base of $184,500 was not checked against the SSA page, which was unreachable2026-10-17
Federal tax rate (fedRatePct)22%Typical, edit this. Brackets are on the IRS inflation adjustments page2026-10-17
State and local tax rate (stateRatePct)0%Typical, edit this2026-10-17
Tax on a repayment (repaymentTaxTreatment)No tax backIRS Publication 525, Repayments2026-10-17
Tuition the employer pays (tuitionPaid)$5,250 a yearTypical, edit this. Secondary: a SHRM spokesperson quoted in a news article (Northeast Times, August 2026)2026-10-17
Repay window, share repaid and cliff or prorated (clawbackMonths, clawbackSharePct, clawbackType)24 months, 100%, cliffTypical, edit this. Three examples in public documents, not a sample: a county agreement (https://WWW.CO.MARION.OR.US/HR/Documents/Tuition%20Assistance%20and%20Employment%20Agreement.pdf), a library board policy (https://prl.ab.ca/-/media/files/sylvan-lake/2025/board/library-board-update/18-staff-development-tuition-reimbursement---approved-2021.pdf), a health system form2026-10-17
Legal limits on repay-if-you-leave termsNot modeled, linked in a noteSecondary: a law firm summary, the statutes were not read. Epstein Becker Green Workforce Bulletin2026-10-17
Months before you leave and chance of leaving (leaveMonth, leaveProbabilityPct)12 months, 30%Typical, edit this2026-10-17
Extra yearly pay of an outside offer (outsidePayRaise)$5,000 a yearTypical, edit this. For context: Federal Reserve Bank of Atlanta Wage Growth Tracker2026-10-17
Months to cover the repayment (recoupMonths)12 monthsTypical, edit this2026-10-17
Share you would pay yourself (valuePct)100%Typical, edit this2026-10-17

ISA vs student loan

Assumption / InputStarting valueSourceChecked
Federal undergraduate loan rate6.52% a yearU.S. Department of Education, interest rates for Direct Loans first paid out 2026-07-01 to 2027-06-302026-10-17
Federal graduate unsubsidized loan rate8.07% a yearU.S. Department of Education, interest rates for Direct Loans first paid out 2026-07-01 to 2027-06-302026-10-17
Private loan rate10% a year (typical, edit this)Typical value, no official average was reachable on 2026-10-172026-10-17
Loan length120 months (typical, edit this; the standard federal term is 10 years, not verified on studentaid.gov)Federal Student Aid, not reachable on 2026-10-172026-10-17
Amount funded$20,000 (typical, edit this)Typical value, a round example with no official source2026-10-17
ISA share of income5% of income each month (typical, edit this; reported range 2% to 20%)Hechinger Report2026-10-17
ISA length120 months (typical, edit this; one provider's agreements ran 20 years)Consumer Financial Protection Bureau, order against an ISA provider2026-10-17
ISA payment cap2.0 times the amount funded (typical, edit this; reported caps of 2.5 and up to 3 times)Hechinger Report2026-10-17
ISA income threshold$30,000 a year (typical, edit this; providers set their own threshold)Consumer Financial Protection Bureau, order against an ISA provider2026-10-17
Extra months for months with no payment0 months, off (maximum 60)Consumer Financial Protection Bureau, order against an ISA provider2026-10-17
Middle path: starting income and yearly change$55,000 a year, 3% a year (visitor must check)Typical value, no official source2026-10-17
Low path: starting income and yearly change$28,000 a year, 1% a year (typical, edit this)Typical value, no official source2026-10-17
High path: starting income and yearly change$90,000 a year, 5% a year (typical, edit this)Typical value, no official source2026-10-17
ISAs are treated as creditContext only, no number usedConsumer Financial Protection Bureau, order against an ISA provider2026-10-17
An ISA can be a private education loanContext only, no number usedU.S. Department of Education, Electronic Announcement GENERAL-22-122026-10-17
Federal loan limits and the new Repayment Assistance PlanNot printed on the page, reported only, verify on studentaid.govStanford financial aid; Western Carolina University; NYC.gov student loan changes page2026-10-17
Not foundNo figure usedNot available2026-10-17

Section 179 vs. lease

Assumption / InputStarting valueSourceChecked
Section 179 limit, tax years beginning in 2026 (stale, indexed every year)$2,560,000IRS Rev. Proc. 2025-32, section 4.24 and IRS Publication 9462026-10-17
Section 179 phase-out threshold, 2026 (stale)$4,090,000IRS Rev. Proc. 2025-32, section 4.242026-10-17
Heavy SUV cap on Section 179, 2026 (stale)$32,000IRS Rev. Proc. 2025-32, section 4.242026-10-17
2025 preset: limit $2,500,000, threshold $4,000,000$2,500,000 and $4,000,000IRS Rev. Proc. 2025-32, sections 2.10 and 3.022026-10-17
2025 preset: heavy SUV cap$31,300 (confirm)IRS Rev. Proc. 2024-40, section 2.252026-10-17
Bonus depreciation percent (stale: law)100%IRS Notice 2026-11 and IRS Publication 9462026-10-17
Section 179 income limit and carryforwardDeduction limited to taxable income from the active conduct of your trades or businesses; the unused part carries to the next yearIRS Publication 946, chapter 22026-10-17
Recovery period (property class)7 years for machinery and office furniture, 5 years for computers, cars and light trucksIRS Publication 946, chapter 42026-10-17
MACRS percentages, half-year conventionTypical published values, confirm against Table A-1. 5-year: 20.00, 32.00, 19.20, 11.52, 11.52, 5.76. 7-year: 14.29, 24.49, 17.49, 12.49, 8.93, 8.92, 8.93, 4.46IRS Publication 946, Appendix A, Table A-12026-10-17
Passenger cars under 6,000 lb (not modeled)Not usedIRS Publication 9462026-10-17
True lease versus purchaseConfirm (this copy was not opened). An FMV (fair market value) buyout is treated as a true lease. A $1 or nominal buyout is treated as a purchaseRev. Rul. 55-540, 1955-2 C.B. 39, copy at2026-10-17
Combined tax rate30% (typical, edit this)IRS Rev. Proc. 2025-32, section 4.01 (2026 individual rate tables)2026-10-17
Equipment loan rate8.0% a year (typical, edit this)Federal Reserve H.15 Selected Interest Rates, for the bank prime rate of 7.00% only2026-10-17
Discount rate8.0% a year (typical, edit this)No primary source, a round example value2026-10-17
Lease payment, lease term, buyout price$1,000 a month for 5 years, buyout $18,000 (typical, edit this)No primary source, no lease quote was looked up2026-10-17
Equipment price, down payment, resale value$60,000, down $6,000 (10%), resale $18,000 (30% after 5 years) (typical, edit this)IRS Publication 946, chapter 4 (cost basis includes sales tax, freight and setup)2026-10-17
Business taxable income$150,000 a year (typical, edit this)IRS Publication 946, chapter 22026-10-17
State conformityNot looked upIRS Topic no. 704, Depreciation2026-10-17

Bookkeeper vs accounting software

Assumption / InputStarting valueSourceChecked
Bookkeeper fee, Standard$500 a month (100 to 300 transactions). Typical, edit this. One source is a seller.NerdWallet, bookkeeping pricing and Ecosire, outsourced bookkeeping cost 20262026-10-17
Bookkeeper fee, Light and Busy$300 (under 100 transactions) and $900 (300 to 700) a month. Typical, edit this.Ecosire, outsourced bookkeeping cost 2026 and NerdWallet, bookkeeping pricing2026-10-17
Fee cross-checksNot defaults. Sellers' prices; three undated, one second-hand.Bookkeeper360, pricing, Intuit, how much does a bookkeeper cost, Wave, pricing and South, how much does a bookkeeper cost2026-10-17
Pages not usedNot used. Uplinq is unverified (a search-result summary only); Forbes Advisor refused the fetch.Uplinq, a bookkeeping cost 2026 article (page text did not load), and Forbes Advisor, how much does a bookkeeper cost (HTTP 403)2026-10-17
What a bookkeeping fee coversNot a default. A seller's page.Intuit, QuickBooks Live bookkeeping help article2026-10-17
Cleanup fee$1,000 (1 to 3 months behind), $2,000 (4 to 12), $4,000 (a year or more). Typical, edit this.Ecosire, outsourced bookkeeping cost 2026, Bookkeeper360, pricing, NerdWallet, bookkeeping pricing and South, how much does a bookkeeper cost2026-10-17
Your hours to catch up20 hours one time. Typical, edit this. No source.No source found (an estimate)2026-10-17
Accounting software, entry plan$30 a month (entry plans $20 to $38); free $0, mid $60, full $100. Typical, edit this.QuickBooks Online pricing2026-10-17
QuickBooks price changeNot a default. Context for the yearly rise.Intuit, QuickBooks price changes2026-10-17
Accounting software, other plansXero Early $27, Growing $59, Established $97 a month. Typical examples, edit this.Xero US pricing2026-10-17
Accounting software, other plansFreshBooks Lite $23, Plus $43, Premium $70 a month. Typical examples, edit this.FreshBooks pricing2026-10-17
Accounting software, other plansZoho Books Standard $20, Professional $50, Premium $70 a month billed monthly. Typical examples, edit this. Page undated.Zoho Books pricing2026-10-17
Accounting software, other plansWave Starter $0, Pro $19 a month or $190 a year. Typical examples, edit this. Page undated; may be out of date.Wave pricing2026-10-17
Value of an hour$33.54 an hour (BLS mean hourly wage, all occupations, May 2025). Sourced; a placeholder for your own number.BLS, Occupational Employment and Wages, May 2025, news release 2026-05-15, Table 12026-10-17
Pay of a bookkeeping clerk (for scale)$24.36 an hour. Sourced; shown beside the result, not used in the math.BLS, Occupational Outlook Handbook, bookkeeping, accounting and auditing clerks2026-10-17
Your hours a month on the books10 alone, 2 with a bookkeeper (Light 5 and 1, Busy 20 and 4). Typical, edit this. Unverified: no primary source.No primary source found (secondary figures disagree)2026-10-17
Share of freed hours that become money100 percent. Assumption, not a measured figure.None (an assumption; 50 percent is shown as a sensitivity)2026-10-17
Mistakes and late fees$0 a year. No source for a rate, so the visitor types their own estimate.IRS, failure to deposit penalty and IRS, failure to file penalty2026-10-17
Who stays responsible for payroll taxNot a default.IRS, outsourcing payroll duties2026-10-17
RecordkeepingNot a default.IRS, recordkeeping and IRS, Publication 5832026-10-17
New York sales tax filingNot a default.New York tax bulletin, filing requirements for sales and use tax returns and New York DTF, filing sales tax returns2026-10-17
New York wage reportingNot a default.New York, NYS-45-I instructions (1/26) and New York, withholding due dates2026-10-17
Payroll, sales-tax add-ons and tax prep$0. No price read for a bookkeeper's add-on fee or a preparer's fee.Xero US pricing and Wave pricing2026-10-17
Years and yearly rise3 years and 0 percent. Typical; no source for a rise was checked.None (typical values)2026-10-17

Standard mileage vs actual car costs

Assumption / InputStarting valueSourceChecked
IRS rate through June 30$0.725 a mile (72.5 cents), for miles driven January 1 to June 30, 2026. IRS, read.IRS, standard mileage rates and IRS Notice 2026-102026-10-18
IRS rate from July 1$0.76 a mile (76 cents), for miles driven on or after July 1, 2026. Valid through 2026-12-31. IRS, read.IRS, Announcement 2026-11 in Internal Revenue Bulletin 2026-29 and IRS, standard mileage rates2026-10-18
Share of business miles from July 150 percent. Typical, edit this.A calendar count, not a survey: 184 of 365 days fall on or after July 1 (50.4 percent)2026-10-18
Business miles a year8,000. Typical, edit this.No survey. IRS Publication 463 (commuting is not business mileage)2026-10-18
Other miles a year7,000. Typical, edit this.AAA study uses 15,000 miles a year in all. AAA Northeast, copy of the 2026 release2026-10-18
Depreciation or lease a year$4,422. A stand-in for a new car's average yearly loss in value, not a tax figure.AAA Northeast, copy of the AAA release of 2026-09-15; AAA's own newsroom page was not opened2026-10-18
Insurance a year$2,098. Typical, edit this. Second-hand.CarPro, report on the AAA 2026 study, dated 2026-10-012026-10-18
Registration and fees a year$100. Typical, edit this.New York DMV, passenger vehicle registration fees (the page carries no date)2026-10-18
Miles per gallon30. Typical, edit this. The EPA benchmark the site uses for a gasoline car; not re-checked since 2026-10-08.U.S. EPA, fueleconomy.gov2026-10-08
Fuel price$4.35 a gallon of regular gasoline (U.S. average, EIA weekly, 2026-10-05). New York $4.38 (2026-10-08).U.S. EIA, gasoline and diesel fuel update2026-10-16
Repairs, oil and tires$0.117 a mile (11.7 cents). Typical, edit this. Second-hand.CarPro, report on the AAA 2026 study, dated 2026-10-012026-10-18
Tax rate30 percent. Typical, edit this. Type 0 to turn the tax value off. The state part is unverified.IRS, Topic 554, self-employment tax and IRS, federal income tax rates and brackets2026-10-18
Parking and tolls a year$0. Starts at 0.IRS, Topic 5102026-10-18
Years to compare5. Typical, edit this.AAA Northeast, copy of the 2026 release2026-10-18
Yearly rise0 percent. Starts at 0 because no source for a rise was checked.Not a sourced input2026-10-18
First-year rule (linked, not a default)A heading and links to IRS Topic 510 and Publication 463 (2025 edition). The rule is not quoted or decided on the page. IRS, read.IRS, Topic 510 (reviewed 09-Oct-2026) and IRS, Publication 463 (2025 edition)2026-10-18
Employees (note only)Most employees cannot deduct unreimbursed car costs. IRS, read.IRS, Topic 510 and IRS Notice 2026-102026-10-18

Coworking vs home office

Assumption / InputStarting valueSourceChecked
Extra home bills$25 a month. Typical, edit this. About $6.50 is a desktop PC's power; the rest is a guess.Repo appliance data (LBNL typical wattage) and state energy prices (EIA, as of 2026-10-08)2026-10-18
Desk prices: hot desk, dedicated desk, private office for one$185, $300 and $600 a month. Typical, edit this. Near the middle of the "from" prices read; a plan you want may cost more.LiquidSpace marketplace pages and CoworkingCafe directory pages (not linked; prices undated)2026-10-18
Rochester, coworkingOpen desk from $149 a month, day pass $35, private office for one $389 to $550. "From" prices read, undated.LiquidSpace page for Serendipity Labs at Innovation Square (latest review 2025-11-25), LiquidSpace Rochester city page and CoworkingCafe city page (not linked)2026-10-18
Buffalo, coworkingOpen desk from $199 a month, day pass $35, private office $699 (listed for one person and for two). "From" prices read, undated.LiquidSpace marketplace page for Serendipity Labs at Seneca One (latest review 2025-02-03) and CoworkingCafe city page (not linked)2026-10-18
Syracuse, coworkingOpen desks $185 and $245 a month, day pass $30, private office for one $600 and $640. Read, undated.LiquidSpace and CoworkingCafe city pages (not linked)2026-10-18
Albany, coworkingOpen desk from $149 a month, dedicated desk from $329, day passes $25 and $38. "From" prices read, undated.LiquidSpace and CoworkingCafe city pages (not linked)2026-10-18
New York City, coworkingStated average membership $358.98 a month, shown only beside the upstate figures. Directory figure, undated.CoworkingCafe directory page (not linked)2026-10-18
Day pass$30. Typical, edit this. Upstate day passes read: $20 to $38.LiquidSpace and CoworkingCafe city pages (not linked)2026-10-18
National coworking pricesOpen workspace $149 and dedicated desk $322 (end of Q4 2023). Q2 2026: $219 a month for open workspace or dedicated desk together, down from $225 a year earlier. Read.CoworkingCafe article (published 2024-02-07, modified 2025-02-25) and CFO Dive, 2026-07-282026-10-18
Meeting rooms$0 a month. Median $45 an hour nationally (Q2 2026). Read.CFO Dive, 2026-07-28 quoting CoworkingCafe and Yardi2026-10-18
Office rent: Rochester$17.50 a square foot a year average asking rent, Class A $21.00, vacancy 19.9 percent. Second-hand; lease type not stated.TenantBase page labeled Q3 2026, quoting Cushman & Wakefield and Pyramid Brokerage for Q2 2026 (broker-run site, not linked)2026-10-18
Office rent: Albany$19.03 a square foot a year average asking rent, full gross, vacancy 12.0 percent. Second-hand.TenantBase page quoting CBRE Capital Region Office Market Outlook, H2 2025 (broker-run site, not linked)2026-10-18
Office rent: Buffalo$17.93 a square foot a year, 2025 average, vacancy 12.00 percent. Read.CommercialCafe market page, data from Yardi Research (not linked)2026-10-18
Office rent: downtown SyracuseClass A $18.51, Class B $14.32, Class C $12.06 a square foot a year (ranges $15 to $24, $10 to $32, $9 to $16). Downtown only. Read.Downtown Syracuse Partnership, Spring 2026 Commercial Occupancy Report (survey 2025-10-10 to 2026-04-11)2026-10-18
Small office rent$450 a month: 300 square feet at $18 a square foot a year. Typical, edit this.A round figure inside the four asking rents above ($12.06 to $21.00)2026-10-18
Office utilities, internet and insurance$125 a month. Typical, edit this. Insurance partly sourced, the internet price is unverified, utilities are a guess.Insureon (a seller of insurance): median business owner's policy $83 a month, $58 for home-based businesses2026-10-18
Furniture and setup, security deposit$1,000 and $900 (two months of the default rent). Typical, edit this. No source found.None found for furniture costs or commercial deposits2026-10-18
Days a week, miles, lease length3 days a week and 16 miles round trip. Typical, edit this.None: round typical values2026-10-18
Minutes there and back40. Census survey means, one way: Rochester 19.89, Buffalo 21.26, Albany 21.43, Syracuse 20.23 minutes. Read.FRED, Monroe County, Erie, Albany and Onondaga (Census American Community Survey 5-year estimates, period ending 2024)2026-10-18
Cost of driving a mile$0.76 a mile. Sourced: the IRS business rate from 2026-07-01, valid to 2026-12-31. Used as a cost, not a deduction.IRS standard mileage rates, Announcement 2026-112026-10-16
Value of an hour of travel$16.77 an hour: half of the BLS mean hourly wage. The half is second-hand and a convention, not a measured cost.BLS Occupational Employment and Wages, May 2025 and Federal Register, 76 FR 61625, 2011-10-052026-10-18
Value of an hour of paid work$33.54 an hour: the BLS mean hourly wage, May 2025. A placeholder for your own rate after costs, before tax.BLS Occupational Employment and Wages, May 20252026-10-18
Years, yearly price rise3 years and 3 percent a year. Typical, edit this. No source for a rise; the flat-price test shows none.None: round typical values2026-10-18
Parking and coffee, larger home, tax rate0. No price read. The tax rate is off.None found2026-10-18
Tax facts (not used in the math)Simplified home office method: $5 a square foot, up to 300 square feet. Commuting is generally personal. Read.IRS simplified option for home office deduction, Publication 587, Publication 334 and Publication 4632026-10-18