I've seen DIY garage tint Youtube videos as well as purported professional tint videos, and feel somewhat frozen / scared by what I see as 'general practice' during their processes provided the care I put into my car. How do you choose a good place to have high-quality ceramic or other high-grade tint applied - do you just choose a certified shop and hope to not have to deal with much damage, or do you discriminate and ensure they understand you don't want them f-ing with your car?