Agreed. Even a 'buy me a coffee' or 'join my patreon' is acceptable. One does not have to promote products.

I had a ecommerce site, promoting products that my partner and I had made, but got tired of promoting it on forums, a blog, and youtube etc., even as it was moderately successful, because so many people harrassed us online for it. (that's a whole 'nuther story). Lots of people also participated happily, of course.

Agreed. Even a 'buy me a coffee' or 'join my patreon' is acceptable. One does not have to promote products.

I had a ecommerce site, promoting products that my partner and I had made, but got tired of promoting it on forums and youtube etc., even as it was moderately successful, because so many people harrassed us online for it. (that's a whole 'nuther story). Lots of people also participated happily, of course.