Novel Marketing Stop Guessing: How to Know If Your Book Marketing Is Working
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Apr 15, 2026 Eiri Theodorou, founder of Publisher Champ and creator of an analytics platform for authors. They dig into why sales are not the same as profit. Learn about misleading Amazon metrics, how one bestseller can hide catalog losses, and tracking ads, direct sales, and real-world marketing in a single dashboard.
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Adjust ACOS For True Profitability
- Don't rely solely on ACOS; it measures ad dollars to gross sales, not net profit.
- Adjust ACOS by royalties, production costs, refunds, and taxes to evaluate true ad profitability before scaling.
Why Amazon Ad Sales Differ From Royalties
- Amazon Ads reports show 'sales' (unit price) which excludes Amazon's share, production costs, and refunds, explaining discrepancies between ad-reported sales and royalties.
- Authors often mistake sales figures for royalties, causing budgeting errors.
Automate Cross-Platform Data Aggregation
- Use an aggregated analytics tool to sync data from multiple platforms (KDP, Draft2Digital, B&N, Meta, ads) instead of manual CSV juggling.
- Automate exchange-rate conversion and historical imports to avoid bookkeeping errors across countries.