If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
Beware signing any written agreement you haven't read or understood.
I have flouted this advice almost every time I installed software or signed up to a website over the last couple decades, and AFAICT I have never had much trouble as a result.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.