You can, but go in clear-eyed: a full wrap is 10-16 hours of skilled work, and professionals spend 2-3 years learning compound curves. DIY costs about $150-$300 in tools plus $4-$6 per square foot for cast vinyl at retail, with a car needing about 200 square feet including waste. A hood or roof is a realistic first project; a full wrap usually isn't. Full walkthrough: overlam.com/blog/how-to-wrap-a-car.