No jargon, no fluff — just the formulas that matter, with a free calculator built into every guide.
Profit margin is the share of each sale you keep as profit. Learn the profit margin formula, how it differs from markup, and what a healthy margin looks like — then run your own numbers.
A “good” ROAS isn't a fixed number — it depends on your margin. Learn the ROAS formula, how to find your break-even ROAS, and how ROAS relates to ACoS, with a calculator to find yours.
Customer lifetime value is the total profit one customer brings over their relationship with you. Learn the LTV formula, the LTV:CAC ratio investors care about, and how to raise it.
Conversion rate is the share of visitors who buy. Learn the formula, what counts as a good e-commerce conversion rate, and the fastest ways to lift it — with a calculator to check yours.
Your reorder point is the stock level at which you place a new order so you don't sell out. Learn the formula, how to set safety stock, and calculate yours in seconds.
A sales dashboard puts your revenue, orders, profit and ad performance on one screen. Here's what to include and how to build one — with or without a spreadsheet.
Selling on more than one channel means your numbers are scattered. Here's how to combine Amazon, Shopify, Walmart and more into one live view of total sales.