There are already many topics about activity here. As seen in
this spreadsheet (as quoted in a topic as
bumped by you an hour before you make this topic), there are dates (and timestamps) when your maximum possible activity will increase by 14. Check your maximum possible activity (called potential activity) here:
https://www.bctalkaccountpricer.info/Edit: You think your posts are 'good'? A 'good' post should be constructive to the community (or the question starter) and not your one-liners (posts with only 1 line). If you are an account farmer trying to earn from signature campaigns, then they probably won't pay you as your post quality is very low.