Some systems send automated notifications at 30k words to encourage submission, even if the editor has already reviewed parts of the book.
Creating a mind-map or framework with chapter titles helps maintain structure for a 30k-word ebook. 30k.txt
Many web-novel platforms require authors to hit 30,000 words before a story is eligible for full review or an exclusive signing bonus. Strategy for Authors: Some systems send automated notifications at 30k words