Diy paint/high school budget

Take a picture of what you have to work with, if you want a paint job that will last, and is fairly cheap I recommend Summits 2K primer and single stage paint.
That will run you about $200

Take the rustolem back for a refund, you will seriously regret it later when you can afford better paint and have to strip the car.

http://www.forabodiesonly.com/mopar/showthread.php?t=330648