Honestly, probably not. But what is the issue that needs fixing?
Depends on the issue.
Right, it depends on the issue. For something small, why bother? I'm 43 and my bottom teeth aren't entirely straight. I've thought about fixing them but it's a lot of money / time and effort for a minor thing that only I really notice.
Yes, if the issue is starting to affect the alignment of your teeth, your jaw or the overall structure of your face. You really need your teeth to work well, particularly as you get older and potentially accumulate other dental issues beyond alignment (gum issues, TMJ, dental fractures, tooth loss...)
Exactly ! Do not wait
My DH is doing it right now. Cannot get invisalign because overbite is too much, but as soon as he can switch, he will. Normal braces are painful, hard to keep clean etc...I did invisalign 10 years ago, and I just loved it. Easy, quick and great result