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The tax and finance stuff nobody explains plainly. Written for people who work for themselves.

Taxes

SE tax, deductions, quarterly payments, and S-Corp structures.

April 22, 2026·8 min read·Quarterly Tax Estimator

Quarterly Estimated Taxes: A Plain-English Guide for Self-Employed Workers

How quarterly estimated taxes work, when they're due, how much to pay, and how to avoid the underpayment penalty — without a CPA translating it for you.

April 22, 2026·9 min read·Home Office Deduction Calculator

Home Office Deduction: What Counts, What Doesn't, and How to Calculate It

The exclusive use rule, simplified vs. regular method comparison, what renters and homeowners can deduct, and the depreciation recapture issue everyone forgets about.

April 22, 2026·9 min read·S-Corp Salary Calculator

S-Corp Reasonable Compensation: What the IRS Requires and How to Set It

The IRS standard for S-Corp owner salaries, how to establish a defensible number, the tax math at different income levels, and the mistakes that trigger reclassification.

April 23, 2026·8 min read·Business Mileage Deduction Calculator

Mileage Deduction: Standard Rate vs. Actual Expenses

The IRS gives you two methods to deduct vehicle costs. Most people pick one without running both. Here's the math, the commitment rule, and which method wins for your situation.

Pricing & Income

What to charge, what you'll keep, and which clients are worth it.

April 22, 2026·7 min read·Freelance Rate Calculator

Self-Employment Tax Is 15.3%. Here's What That Actually Means for Your Rate

Most freelancers underprice because they think in gross, not net. This is the math behind self-employment tax and why your rate needs to cover more than you think.

Retirement

Solo 401k, SEP-IRA, and long-horizon savings for the self-employed.

April 22, 2026·10 min read·530A Account Projector

The 530A (Trump) Account: What It Is, How It Works, and Whether It's Worth It

Section 530A creates a new savings vehicle for children born 2025-2028. Here's the actual tax structure, the Roth rollover mechanics, and when the math works in your favor.

April 23, 2026·8 min read·Solo 401k / SEP-IRA Calculator

Solo 401k Contribution Limits: How Much Can You Actually Put In This Year?

The Solo 401k has two contribution types — employee and employer — each with its own cap and formula. Here's how to calculate your actual maximum for 2026, plus the SEP-IRA comparison.

Debt & Expenses

Payoff strategies, deductible expenses, and expense tracking.

April 22, 2026·8 min read·Debt Payoff Calculator

Debt Avalanche vs. Debt Snowball: The Math Is Clear. The Psychology Isn't.

Both methods work. Here's the actual interest cost difference, when snowball legitimately makes sense, and how to pick the one you'll actually stick with.