All Tools
10 free calculators that tell you what to do, not just what the number is.
Is This Product Worth Selling?
Calculate true profit including every hidden cost.
What's the Best Price?
Find your optimal price, then test what a discount does.
Which Platform Should I Sell On?
Compare Shopify, Amazon, Etsy, and eBay side by side.
How Much Can I Spend To Acquire A Customer?
Know your maximum CAC before you spend a dollar on ads.
Can I Afford To Run Ads?
Find your break-even ROAS before you launch a campaign.
Can I Scale This Product?
Know exactly how much you can safely increase ad spend.
Should I Bundle These Products?
See if bundling actually increases your profit.
What Should My Free Shipping Threshold Be?
Calculate the number that protects your margin.
When Should I Reorder Inventory?
Never stock out, never freeze cash in excess inventory.
Should I Launch This Product?
Validate margin, competition, and demand before you invest.