If you visit their website, you can view content such as their claims forms, info on scheduling an appointment with them, and their operating locations and hours. Sometimes they also have special offers posted such as giveaways and things like free items when you purchase a service. On there there is also info on what they can do windshield replacement for your RV or truck.
If the crack looks exactly the same when completed, it's very likely the technician didn't inject the resin properly. A properly completed repair with cause each area of the damage to disappear from at least from one angle of vision (ex: looking from one side, looking from below, looking from above, etc.).
Systemize your work and your day. Now most anyone can purchase a windshield repair system and learn to do quality repairs. But few have discovered the exact techniques to consistently make it work for them and how to have a constant flow of customers.
If you do have scratches on fix auto glass repair the surface it may be better to have headlight restoration specialist handle it but some people have successfully used an electric sander to gently smooth away some superficial scratches. This technique can cause more damage than intended if you aren't careful and is not suggested for novices.
If a rock hits your windshield while you are driving when it is already cracked, this can cause it to shatter too and you will not be able to see the road. Dings and scratches generally won't do this but there is always that risk factor that you have to be cautious about.
Because both rear door windows were inoperable, I assumed that there must have been some other electrical glitch, such as a bad control module. Well, you know what they say about assuming. I did a little internet research and found that the General Module controlled the locks and windows and that sometimes, the relays go bad and need replacing. I found some relays for the General Module and ordered them for $75. They arrived a few days later.
I want to congratulate you on your decision to start a windshield repair business. It can be a fun journey and profitable experience with the right guidance.