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7 Formulas Every Online Seller Needs
A one-page reference for pricing, ads, imports and inventory. Keep it open while you work.
- ✓Net profit per order — and why volume never fixes a negative number
- ✓Break-even ACOS — the ceiling your margin can actually afford
- ✓True landed cost per unit — price off this, never off the invoice
- ✓Reorder point — when to order, before the stockout
- ✓ROI on ad spend, fee load, and bulk pricing targets
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Want the maths done for you? See the buyer guides or the seller toolkit.