How many vehicles( both headlights) can a pro kit do?

Finally starting to get perfect results. Any tips on getting more clients?

headlight restoration on this Camry it had light yellowing. When sanding do you guys always start at 600 or does it depend on the headlight? Client also made me this video

Still see slight scratches I used 600-4000. What else can I do to get them out?

Finally grew a pear and went up and sold my service to someone outside of Costco. Showed some of my work and he said let’s do it 🤝🏽