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Guides · US Tax

US Tax guides

364 plain-English guides on us tax, each one ending in what to do next.

All Cross-BorderUS TaxCanadian TaxSmall Business & BookkeepingCFO & AdvisoryTax Planning

Page 6 of 16, newest first.

US Tax

Welding Business Entity Structure: LLC, S-Corp, or Sole Proprietorship

Welding businesses are NOT SSTBs and qualify for the full QBI deduction. The S-Corp election saves $4,000-$8,000/year at $100,000+ net profit.

Sep 5, 2026
US Tax

Estimated Tax Payments for Welding Business Owners

Self-employed welders owe quarterly estimated taxes on net income. Estimated tax basics for welding business owners: Set-aside rule of thumb: 25-30% of net.

Sep 5, 2026
US Tax

Window Cleaning Business Tax Deductions: Equipment, Supplies, and Vehicle

Window cleaning businesses deduct water-fed poles ($1,500-$5,000), squeegees, cleaning solutions. Major deductions for window cleaning businesses: Equipment.

Sep 5, 2026
US Tax

Window Cleaning Business Entity Structure: LLC, S-Corp, or Sole Proprietorship

Window cleaning businesses are NOT SSTBs and qualify for the full QBI deduction. The S-Corp break-even is typically $70,000-$90,000 in net profit.

Sep 5, 2026
US Tax

Estimated Tax Payments for Window Cleaning Business Owners

Window cleaning has gentle seasonality (commercial contracts provide year-round stability, residential peaks in spring and fall).

Sep 5, 2026
US Tax

Window Tinting Tax Deductions: Film, Equipment, and Shop Expenses

Window tinting film costs 5-15% of revenue (extremely low material costs). Cutting plotters ($2,000-$5,000) are Section 179 eligible.

Sep 5, 2026
US Tax

Window Tinting Business: LLC vs. S-Corp Tax Structure

Window tinting is NOT a specified service trade or business (SSTB). S-Corp election makes sense at $55,000-$65,000 in net profit.

Sep 5, 2026
US Tax

Window Tinting Estimated Taxes: Seasonal Demand and Quarterly Payments

Automotive window tinting peaks in spring and summer (people tint before the heat). Northern markets see 60-70% of revenue April-September.

Sep 5, 2026
US Tax

Yoga Studio Deductions: Rent, Equipment, Teacher Training, and Continuing Education

Yoga studios deduct rent, props and equipment, instructor continuing education, liability insurance, and marketing. Yoga studio deductions by category.

Sep 5, 2026
US Tax

Yoga Studio Tax Guide: Entity Structure, SSTB Classification, and Instructor Compensation

Yoga studios face a gray-zone SSTB classification depending on their business model. SSTB analysis for yoga studios: - Group class instruction (most.

Sep 5, 2026
US Tax

Estimated Taxes for Yoga Studio Owners: Class Revenue Patterns and Payment Strategy

Yoga studios have predictable monthly revenue from memberships and class packs, making estimated tax calculations straightforward.

Sep 5, 2026
US Tax

Yoga Studio Retirement Plans: Solo 401(k) for Solo Instructors, SIMPLE IRA for Studios with Staff

Yoga studio owners can shelter income through Solo 401(k) (owner-only) or SIMPLE IRA (with employees). Plan selection for yoga studios: Owner-only studio.

Sep 5, 2026
US Tax

Yoga Studio Worker Classification: Instructors, Front Desk Staff, and the Contractor Question

Yoga studios commonly treat instructors as independent contractors, but the IRS analysis depends on schedule control, class content direction.

Sep 5, 2026
US Tax

Architecture Firm Entity Structure: LLC, S-Corp, or Partnership for Your Practice

Choosing the right entity for an architecture firm involves self-employment tax savings, the QBI deduction, and W-2 wage limitations above the income threshold.

Sep 4, 2026
US Tax

Multistate Tax for Architecture Firms: Nexus, Apportionment, and Licensing Across State Lines

Architecture firms that design projects in multiple states face nexus questions, income apportionment, payroll tax obligations.

Sep 4, 2026
US Tax

Professional Liability Insurance for Architects: Tax Treatment of E&O Premiums, Claims, and Tail Coverage

E&O insurance premiums are deductible as ordinary and necessary business expenses under IRC 162. Defense costs (legal fees.

Sep 4, 2026
US Tax

Project Accounting for Architecture Firms: Revenue Recognition, WIP, and Tax Methods

Architecture firms can use the cash method, the accrual method, the percentage-of-completion method (PCM) under IRC 460, or the completed-contract method (CCM).

Sep 4, 2026
US Tax

Retirement Plans for Architecture Firm Partners: SEP, Solo 401(k), Defined Benefit, and Staff Plans

Architecture firm partners and sole practitioners can shelter significant income through retirement plans. The primary retirement plan options for.

Sep 4, 2026
US Tax

Architecture Firm Succession Planning: How to Sell, Transfer, or Transition Ownership

Most architecture firms are built on the founder's relationships and reputation. The most common succession path for architecture firms is an internal sale.

Sep 4, 2026
US Tax

Architecture Firm Tax Deductions: Common Expenses Every Architect Should Claim

Architecture firms have industry-specific deductions that many practitioners overlook: CAD and BIM software, professional liability insurance.

Sep 4, 2026
US Tax

Cost Segregation for Auto Dealerships: Accelerating Depreciation on Your Facility

A cost segregation study can reclassify 20 to 30 percent of a dealership building into components eligible for 100% bonus depreciation.

Sep 4, 2026
US Tax

Demo Vehicle Tax Deduction for Auto Dealers: Personal Use, Depreciation, and Exclusions

Demo vehicles can be a tax-free fringe benefit for qualifying salespeople or a taxable inclusion requiring careful valuation.

Sep 4, 2026
US Tax

Auto Dealer Compensation and Tax: Commissions, Spiffs, Demos, and Overtime

Dealership pay structures create unique tax and compliance issues, from salesperson commission withholding to technician overtime exemptions.

Sep 4, 2026
US Tax

EV Tax Credits for Auto Dealers: What IRC 30D Meant and What Happens Now

The clean vehicle credits under IRC 30D and 25E ended for vehicles acquired after September 30, 2025, but dealers still must reconcile point-of-sale transfers.

Sep 4, 2026