all my friends keep telling me to just got to VIP or Autozone and buy the tint there or walmart and iv had second thoughts any suggestions on what i should do??

Don't listen to them, most tint sold in stores is of low quality. Which means its hard to work with, fades, changes colors, tears, scratches, bascially looks like shit - IMO. If you never tinted before, your first many attemps will come out shitty, its an art that takes time to learn.
You could have a pro tint your rear window and buy some extra from them to try yourself on the sides/winshield strip. Start with the windshield strip, if you can't do that, STOP and take it back to the tinter.

Check out www.tintdude.com (http://www.tintdude.com) for more information

alright thanks i figured that they sucked but really didnt know but thanks anyways