Selling on Clickbank

About to start selling an E-book and some online courses on Clickbank. You, with experience, what do you think is an OK % to offer for affiliates so our products will be coveted for them? Any other tips or ideas what to do and not to do when starting selling your products on Clickbank, any pointers would be very much appreciated, SKÅL!

How did your launch on CB go?

Haven't started yet, other stuff had to be prioritized on the way!