Run the numbers on pricing, break-even, cash flow, and taxes — with core tools plus kits for STR, trucking, clinics, insurance and fitness.
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Most small business owners are great at the work and unsure about the numbers. NerdyGirl University turns pricing, break-even, cash flow, and taxes into plain-English tools any owner can run in minutes — plus kits for specific niches like short-term rentals, trucking, clinics, and fitness.
Cost-plus pricing leaves money on the table and racing to the bottom kills margin. The Value-Based Pricing Builder prices around the outcome you deliver and shows the revenue impact of even a small increase, while the Break-Even Calculator tells you the volume and revenue needed to cover costs and hit a profit target.
Profitable businesses still fail when cash runs out. The Cash Flow Runway Estimator shows how many weeks of runway you have and when cash gets tight based on burn and incoming payments — the early-warning system most owners never build.
Clean books and a quarterly-tax habit prevent the April scramble. Bookkeeping Basics and QuickBooks for Small Business set up the foundation, and the quarterly-tax tools project what to set aside so you’re never surprised.
Break-even units = fixed costs ÷ (price − variable cost per unit). Break-even revenue = fixed costs ÷ contribution margin ratio. Add a target profit to fixed costs to find the volume needed to actually make money, not just cover costs — the Break-Even Calculator does both.
A common guideline is 25–30% of net profit for federal self-employment and income tax, adjusted for your entity and state. Setting the money aside each month and paying quarterly estimates avoids penalties and cash-flow shocks.
Markup is the percentage added to cost; margin is profit as a percentage of the selling price. A 50% markup on a $100 cost gives a $150 price and a 33% margin — not 50%. Confusing the two is a leading cause of underpricing.
Once you have expenses, invoices, or employees, yes — clean books make taxes, financing, and pricing decisions far easier and cheaper. The Bookkeeping Basics and QuickBooks for Small Business courses get you set up correctly from the start.