Has anyone heard about the program "Write Your Best Book" or possibly had an experience with it?

As a writer on TikTok, this page always seems to show up on my FYP. The owner of the page (and the program) goes by the name Christina Kaye. She's an author who offers this program as an "author coach". From what I've heard and seen, she helps people write, edit, publish, and market their books. She seems legit, but I've always been a bit of a skeptic. If anyone can shine some light on her and/or the program, it would be really appreciated.