I've been searching for answers for that question for myself a months ago and have settled with what I will call now and even in the future as the BEST Affiliate Program ever !
The platform called Builderall provides us with making Websites, Funnels, Webinars, Animated Videos and much more provided along with video tutorials and pre made templates so it's perfect for beginners and those who are in advance too because it's user friendly.
So you're able to make money with these tools for your own business etc so it's considered on demand !
Which makes it easy to sell, alongside with what their Affiliate Program provides, it makes it even more highly converting !
Here's a picture of what their Affiliate Program's potential
To use all the tools they provide from making Websites, Webinars & Email Marketing etc AND to become an affiliate all you need is to register for $49 ONLY (I've never seen anything like this that provides so much value for little price and their affiliate program due to Tier 2 is one of a kind, it's an opportunity is all I can tell you & since you were serious enough to ask such question you deserved to know about such opportunity, it was a life changer for me and it's still changing my life only for the better.
As I mentioned they provide training videos too SO Here's a 90 Day Strategic Plan towards Achieving 2k - 4k videos done by the Marketing Director of Builderall himself ! He reveals everything so you'll all the information and knowledge you keep looking for in the internet in HOW to do and succeed in Affiliate Marketing ! So Much Value !!
I came across one survey site yesterday called Moola Vine.Its sounds legit from how it was and how they say it works.