Do not collaborate with someone you would not go camping with.
If skydiving were safe, the parachute center would not require you to sign a waiver.
Write on a subject you love. Your profit center should also be your passion center.
Copyright? Copy RIGHT: Steal ideas, steal facts but do not steal words.
Book writing is not a get-rich-quick scheme. Anyone who decides to write a book must expect to invest a lot of time and effort without any guarantee of success. Books do not write themselves and they do not sell themselves. Authors write and promote their books.
Fiction writers can’t be trusted. They make things up.