What Is a Roth IRA and How Does It Work?
A Roth IRA is a retirement account funded with after-tax money that grows tax-free. Learn how it works, the rules, income limits, and withdrawal…
Section · Carmannews
Business
Entrepreneurship, small business, personal finance, and the corporate moves that shape how millions earn and spend.
What Is Compound Interest and How Does It Work?
Compound interest is interest earned on your principal plus past interest. Learn how it works, the formula, the Rule of 72, and why it…
Business
Read a small-business P&L without an accounting degree
A profit and loss statement is the single most useful document a small-business owner can read fluently. Most owners I work with at carmannews…
Business
The 2026 small-business tax checklist most owners miss
Your accountant is not going to read your bookkeeping notes for fun. Here is what good preparation looks like before tax season — the…
Business
When refinancing saves money — and when it just resets
Refinancing math is simpler than most lenders make it look. A fifteen-minute calculation tells you whether the savings beat the closing costs. carmannews walks…
Business
The 30-minute weekly bookkeeping setup that pays off
Most small businesses do their books once a year, in March, in tears. carmannews built a 30-minute weekly system from a CPA-recommended template —…
Business
Why credit card cashback can cost you on business spend
A 2% cashback card looks free until you reverse-engineer the merchant fees you are passing through. On many small-business spending profiles, the cashback is…
Business
The interview question that reveals a great small hire
"Tell me about a time you fixed something nobody asked you to fix." The interview question that, again and again, predicts a great small-business…
Business
How much working capital you actually need, by industry
The common rule of thumb — three months of operating expenses — is too generic. carmannews compared working-capital benchmarks across seven small-business industries to…
Business
The right way to fire a client (and when you should)
Firing a client is uncomfortable but rarely as costly as keeping a bad one. Map the decision against four signals: payment behavior, scope creep…