The Great Amazon KDP Puzzle Book Pivot: Why Most People Fail and How to Build a $5k/Month Empire in 2026
Let’s get the elephant out of the room first: If you’re still trying to rank on Amazon by throwing 500 low-effort Sudoku books at the wall to see what sticks, you’ve already lost. As of March 2026, the game has fundamentally changed. Google’s latest core update—the one that effectively nuked millions of generic AI-generated sites—has…
