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ACOS vs TACOS: Which One Actually Tells You If Your Book Business Is Profitable

ACOS vs TACOS: Which One Actually Tells You If Your Book Business Is Profitable

ACOS divides ad spend by a retail price you never keep; TACOS by the royalties your ads earned. The difference, a worked example, and why 100% is break-even.

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Amazon Best Sellers Rank Explained: What Your BSR Actually Means in Sales

Amazon Best Sellers Rank Explained: What Your BSR Actually Means in Sales

BSR is a position in a race, not a sales counter: hourly, decaying without sales, per format and store. How it works and what each level means in daily sales.

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KDP Reports Explained: Dashboard, Royalties Estimator, Orders — and Which Numbers to Trust

KDP Reports Explained: Dashboard, Royalties Estimator, Orders — and Which Numbers to Trust

The KDP dashboard, Royalties Estimator, Orders and Payments reports differ in speed and in what they measure. What each contains, and which one to trust.

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