Your technician should discuss with you the adhesive used and the time it takes for it to properly bond the auto glass to your vehicle. This lets you make an informed decision as to when you feel the car is automobile windshield chip repair safe to drive.
I have seen this procedure first hand and walked away shaking my head wondering why anyone would want to do this to their windshield. Plus, if you haven't had a new windshield in a while it becomes pitted and is very difficult to see in the sun light or at night. If you have picked up a crack, more than likely it's been hit many times already and is probably pitted.
Check with your insurance, because it's likely your insurance will pay for some forms of windshield chip repair. They may even waive the deductible, since repairing your windshield is so much cheaper than replacing a windshield. Should you need total front window repair, you may have to pay a deductible with your insurance.
There are auto glass shops that offer mobile windshield repair to give you the best convenience. With such, you can have the auto glass technician to come to your place so you no longer have to bring your car to the shop.
BUT if they hesitate or ask questions, and more often than not, they will call you back and say, Hey wait a minute, come back (IMPORTANT FOR YOU TO APPEAR TO WALK AWAY. IT IMPLIES, NO PRESSURE, AND PEOPLE DO NOT LIKE TO BE PRESSURED OR SOLD).
Remember to make routine window glass inspections part of your total car maintenance plan. Following these simple tips will help your windshield stay strong and prevent the need for glass replacement in the future.