If I were to buy a red partyhat as a investment to also use, would it be a good idea if Im smart about it, and could I possibly resell it rather easy and get my money back? Could I get it for like 750$?
It depends on market, I'm buying one for ingame use/investment as well. But overall smart, because no new phats are created and they will only get rarer with prices drops here n there
I personally wouldn't invest that much money into a video game. There are a lot of things that could go wrong that you have absolutely no control over. For example, JAGEX could ban you for rwt which would cause you to lose $750. Sorry, I just don't see it as it being a good idea. But, if you are confident in doing it, then go for it