If you actually have to ask people what you should buy with 25 dollars,chances are you don't have anything you really want to spend on or NEED TO. I say save it until there is something you like
There's not much you can buy with $25, besides your next meal. Just hang on to it.
Anything that cost $25.
If you need to ask strangers what you should buy, then it suggests you don't really need or want anything. So in that case, this perfect stranger suggests you save your $25 til you see something you need or want.
Save it and the next time you get $25, you'll have $50 to spend. Or save it again, and have $75, and so on.
A Book.
A Saving Bond.
Tshirt
A dinner for 2.