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I had success with a product in the relationship niche with high gravity, but no more. I'm a little confused as to which kind of product I should promote; high gravity or low gravity, some people say both. what do you think.


Also, maybe which products do you think are successful right now and/or working for you?

It depends on how you are going to promote this product, high gravity means high competition on "seo-paid ads" and low gravity means low competition. But if you have a big social media accounts with a lot of followers or a big email list then the gravity is not that important.