Guides for marketplace sellers

Know your break-even point before you commit to inventory. This guide shows ecommerce sellers how to calculate break-even price, volume, and ad spend.

Most sellers track too many metrics and act on too few. Here are the twelve that actually drive decisions, and what each one tells you.

Launch your private label brand on Amazon with confidence. This guide covers product research, supplier sourcing, listing optimization, and launch strategy.

Returns quietly destroy margin through refunds, return shipping, and restocking. Here is how to measure the true cost and cut it.

Profitable businesses fail on cash flow. Learn how inventory purchases create the gap, and how to plan around it.

Stockouts kill rankings and revenue on Amazon. Learn how to forecast demand, calculate reorder points, and maintain optimal inventory levels year-round.

Sell-through rate drives your IPI score, storage limits, and cash flow. Here is what good looks like and how to fix a bad number.

Cost-plus pricing undercharges. Competitor matching ignores your cost structure. Here is a pricing method that actually protects margin.

ACoS and ROAS are the two most important metrics for Amazon advertising, but they tell different stories. Learn when to use each and how to optimize for both.

Referral fees take 8-15% of every sale. Here is how they are calculated, which categories cost more, and where sellers miscalculate.

Bid too low and you get no impressions; bid too high and you destroy margin. Here is how to set bids from your unit economics.

Amazon FBA profit calculation is more complex than it looks. Between referral fees, fulfillment fees, storage costs, and advertising spend, it's easy to miscalculate your real margins. This guide walks you through every cost component so you can price with confidence.