One of the most interesting patterns among successful Amazon KDP publishers is the way they build a catalog rather than focusing on a single book. New authors often start with one title and hope it will generate consistent sales. Over time, however, many experienced publishers discover that the real strength of self publishing comes from scale. Multiple books create multiple entry points for readers. Each title becomes another opportunity for discovery. But this growth introduces a new challenge. How can an author promote several books at the same time without…
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