Learn C++

yes its worth it
yes its hard
it might mess with ur schedule but probably wont

No don't save urself! It will mess up your whole life. You'll start dreaming in code and talking in binary, then your hair will start falling out. Oh God! It's terrible quit while ur ahead! D:"

"But yeh its worth it, if your strong enough" - Men In Black 1997

For game hacking, No its not worth it.

What else could it be used for?

Coding could be useful for when you are looking for a job, and you are willing to devote a lot of your time to coding, and then suddenly a spot appears for a game developer.

or

You know that sexy new computer you want but can't afford? Well, code a useful program and sell it for extra pocket cash.

Well obviously you don't know what "coding" is if you ask what it is used for.

Programming is the development of Computer Programs to run on computers. So you see that browser you're using to visit this site, that is an application of coding. In fact everything you see on your monitor is coding.

Yeh what he said! D:' ...(kinda weird that we posted at the same time... you always seem to post right when I'm about to lol xD)

What else could it be used for? Good lord man! That browser your using right now was coded, the Operating system your using to run the browser was most likely coded in C++, that game that your playing that you wanted to hack was most likely written n C++, etc. It can be used for just about any software development on the Windows platform D:!!! And even many more platforms outside of Windows.

I mean wow name any program you want to make and it can probably be made using C++.