FinFounders
Running a business and managing personal wealth are two different jobs that get tangled together. FinFounders covers both sides of the ledger — entity structure, financing, retirement plans, taxes, succession, and the life-event transitions that hit owners differently.
One-minute tools for owner decisions
Each tool gives a directional read — a band, a score, or a dollar figure — and links back to the deeper article.
Entity Right-Fit Quick Check
Directional read on whether to stay an LLC, elect S corp, or structure as a C corp — based on seven quick inputs.
Solo 401(k) Contribution Calculator
Your maximum employee deferral, employer contribution, and total Solo 401(k) contribution for 2026 — sole-prop or S corp.
Estimated Tax Safe-Harbor Calculator
Quarterly estimated-tax payment that dodges the §6654 underpayment penalty — using the IRS safe-harbor rule that protects you.
Succession Readiness Score
A 0-to-10 score on whether your business could survive a sudden owner exit — and the top three things missing.
Veil-Piercing Risk Score
Eight hygiene checks a court would look at before letting a plaintiff reach your personal assets — plus specific fixes.
Browse by Category
Every category covers a distinct intersection of business and personal finance.
Business Structure & Legal Implications
How you organize your business shapes your tax bill, your personal liability, and what happens to your family if something goes wrong. Covers entity selection, payroll tax implications, personal guarantees, veil-piercing risks, and divorce planning.
Small Business Financing & Debt
Debt is a tool. It can build a business or drain your personal net worth in eighteen months. SBA loans, equipment financing, credit cards, factoring, and home-equity-based financing — with a clear-eyed view of what each does to the owner personally.
Retirement Vehicles for Business Owners
Self-employed retirement planning is dramatically different from W-2 retirement planning — and more powerful, if you know the rules. Solo 401(k)s, SEP IRAs, Keogh plans, defined benefit plans, SIMPLE IRAs, and catch-up contributions.
Buying, Building, or Franchising
Acquisition, franchising, and greenfield builds each have different cash flow, liquidity, and risk profiles. Evaluate the option that fits your finances — and structure the deal so it doesn't bankrupt you on closing day.
Taxes & Owner Cash Flow
Estimated taxes, SALT workarounds, home office deductions, loss limitations, draw vs. salary decisions, and the psychology of paying yourself — the levers that separate a well-run business from a stressed-out owner.
Risk Management & Asset Protection
Owners carry risks W-2 employees don't — business failure, key-person dependency, lawsuits, and disability that takes out both income streams at once. Insurance and legal structures that keep a bad year from becoming a bankruptcy.
Estate & Succession Planning
For most founders, the business is the largest asset in the estate — and the hardest one to transfer. Buy-sell funding, family transfers, estate tax mechanics, step-up in basis, ESOPs, and emergency continuity planning.
Real Estate & the Business
Operating real estate is one of the highest-leverage financial decisions a business owner makes. Ownership structures, sale-leaseback, personal-use traps, and self-rental rules.
Life Events & Transitions
Marriage, kids, divorce, moving states, losing a partner, business failure — life events hit owners differently because the business is wrapped up in every one of them.
Financial Psychology & Behavior
The money scripts, scarcity spirals, imposter syndrome, and decision fatigue that drive otherwise-smart owners into bad financial choices.
Quick Reference
Short, high-density resources for owners who just need the bullet points. Listicles, cheat sheets, and quick-reference articles that condense the essential rules.
Both sides of the ledger, in one place.
Generic personal-finance advice doesn't work for founders. Your income is variable. Your retirement plan isn't someone else's problem. Your biggest asset is probably the business itself. FinFounders is written for the specific financial reality owners live with — and the decisions that compound hardest when you get them wrong.