the wife and i use what she recommended and has to be the cheapest and useful product out their. Acetone. dirt cheap for a large canister and you can use it for removing old stickers and residue. removing wax and grease after stripping something prior to paint. girl can use it to remove her nail polish or you can use it to remove your own works for cleaning up fiberglass and epoxy's. thin two-parts glues to increase hardening time. list is endless. just dont by it at a beauty supply store. they charge three times the cost.

 

You can use nail polish remover that has the acetone in it, just don't get it on any painted surfaces. I used it also to get window tint glue off of my windows after I stripped the tint off. Maybe that will help you.