More sales. What do you keep?
Check the costs before changing the offer.
Sources and limits
Your entered costs, clear formulas and source links. No store connection or demand forecast. Read the data and method ↗ How to use the tools
Choose the decision
Order profit & ROAS
Use one matched order cohort. Separate sales, returned product costs and advertising.
Open calculator →Free shipping threshold
Choose a contribution target, then check the merchandise value needed to cover delivery.
Open calculator →Return cost scenarios
Compare kept and fully refunded orders. Set the costs your own fee schedule actually retains.
Open calculator →Bundle pricing & stock
Price two different components and check the stock that limits the offer.
Open calculator →Stock and market context
Inventory markdown test ↗
Can enough stock sell to cover the contribution lost through a discount?
Test the offer →Retail market explorer ↗
Compare official UK online spending estimates across different time windows.
Inspect the dated data →Figures stay in your browser. These are cost scenarios and dated market observations, not sales predictions.