To get a sub button you need to do the following, which should be very easily obtainable and do able if you actually want to abuse this. Stream some rev trips or something, can also be any game etc doesn't have to be rs.
https://help.twitch.tv/s/article/joining-the-affiliate-program?language=en_US#subscription
At least 500 total minutes broadcast in the last 30 days
At least 7 unique broadcast days in the last 30 days
An average of 3 concurrent viewers or more over the last 30 days
At least 50 Followers