1. Cross for affiliate packages, which cover severa niches. For example, Amazon associate program covers pretty much all niches feasible on the subject of eBooks, physical products and a lot extra. Alternatively, you'll find a few places wherein you can sign on and that they constitute as the main affiliate for heaps of groups.
2. Search for your favourite seek engine and input you niche and the affiliate software. As an example; making a song + affiliate software. Then, you will be furnished with some alternatives within the making a song niche.
There...