If you want to get rich, pick another industry. Seriously.
Do not write about your dog, your grandkids, horses, rainbows, puppies, feelings, or fairies. Be careful about wizards too.
Get a [good] agent.
Work with a professional editor.
Work with a professional book designer.
Assume the publisher will assign the illustrator.
Know that it’s a numbers game.
There is no such thing as a shortcut that works in children’s publishing.
Get comfortable with rejection.
When you think you’re finished, cut 200 pages.
Become a prospective bookseller.
Become a prospective publisher.
Know that the market over-publishes, and only the strong survive the first printing.
Understand the difference between frontlist, backlist, and midlist.
Don’t call yourself a publisher unless you have more than six different books by different authors in print and you own the ISBNs.
Don’t try to start a viral campaign under an assumed name.
If you self-publish, expect skepticism.
Invest in professional design for your website.
Even award-winning authors have trouble moving books.
Publishers and booksellers talk; your reputation for difficulty will precede you.
Stop reading bestsellers if you want to write.
The way to the universal is through the deeply personal.
None of this $#%@$! matters unless you write a good book.