Check your local tint laws regarding what colors are legal, and how dark you can go. and as far as price....it depends on what car your getting tinted. But as a ball park estimate...anwhere from 180-400 depending on where you live.
i live in michigan i got mine done for 200,....i got 5 on the back 2 and backwinodw, then on my drivers and passengers i got 20 or 25, but in michigan new law is no tint on from windows but cops are lazy ehre lol
150 for all the windows in my 4 runner @ 5 % and i just got an inspection sticker //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif