Studio Hubs
Solo sellers and small agencies lose real time to what one analysis calls the "platform-switching tax" — a mess of tabs, spreadsheets, and duplicate work just to check numbers that belong together. Each hub below groups every calculator for one niche onto a single page.
Amazon Seller Studio
Net profit, break-even ROAS, and a live multi-platform fee comparison for Amazon FBA sellers.
Etsy & Handmade Studio
Etsy fees, Offsite Ads math explained, and a multi-platform comparison for handmade and craft sellers.
Freelancer & Agency Studio
Set your hourly rate and check your break-even project volume in one place.
Digital Marketing & Ads Studio
CPM, CPC/CTR, CPA, LTV:CAC, and CAGR — every ad-performance calculator in one hub.