Originally Posted by Kiopa_Matt

That's pretty much it, yep.

Nah, mainstream is simple, really. Find some niche that isn't too saturated (stadium bleachers, clothes for dogs, special kinky lotion, or whatever), pickup a few domains, throw up some sites that are constantly updated with fresh content, SEO the sites, and sell as an affiliate or via some supplier. Rinse & repeat 200 times over, and you'll make some coin.

I should sell a $7 ebook now explaining that.