The best "make money online" affiliate product to promote?

From your experience what is the best affiliate product to promote in this niche? I am not having much success with clickbank, about one sale every 3 months and warrior plus is not working for me also, I am having lots of clicks from related content but very few sales

I've been having success promoting seo host king services just on quora ,don't give up try diffrent offers and ab test ,look up on bhw you will find alot of info

https://www.blackhatworld.com/seo/method-little-passive-income-w-quora.1425126/
https://www.blackhatworld.com/seo/jv-my-quora-bot-your-working-method-need-to-scale.1521135/
https://www.blackhatworld.com/seo/guide-how-to-make-money-online-if-you-have-0-to-start.1540852/

thanks, where can I find seo host king program?