For replacing the glass, it has to be figured first how it will be taken out. Even though it is shattered into countless pieces, the glass would have to be removed from the edges before installing a new one. For a door glass, the door panel has to be removed to access the mechanism that moves the window up and down. The glass is attached below. The fix auto glass and rear window glass requires the trim and the rubber gasket to be removed. The rubber gasket has to be replaced with a new one as the new one is installed. The car manual will be of help for removing and replacing the glass.
Automobiles are made so that a cracked windshield can be replaced; they are not made to be repaired. To my knowledge, manufacturers do not recommend or promote repairing windshields they recommend replacing them. A windshield is a structural part of the body and is in place for safety reasons. You shouldn't mess with the overall safety of the car by repairing a glass that is vital to safety during a rollover or accident.
The first lesson you must learn is critical to your success. Marketing done right does not cost you money, it makes you money. If you were to do a poll of windshield repair techs asking them how much they spend on their marketing, you'd find that most of them would laugh and say zero. They'd be proud of that. They'd brag how they wouldn't waste their money on marketing. They say word-of-mouth and knocking on doors is their marketing plan.
Make sure that the small company professional is an expert in the area. Get price lists from companies and ask the company you like fix auto glass repair to give you a better discount than the other companies.
Do you really think that they will stand behind their warranty or will they find some excuse that it wasn't a defect in the equipment, but instead it was misuse and abuse on your part.
These things continued not for another month or two - but for two more years. The boy lived through the bully attacks and the embarrassment of poverty. He never fully trusted a teacher again in that school, and yet always pushed hard to learn more despite his fears. His school attendance remained perfect for the next six years.
Sometimes, the crack in the Auto Windshield glass is very long and unavoidable. In such cases, its better to replace the glass instead of repairing it. The reason is that in the long run it will be more harmful than the crack itself. It might break in the car itself when you are driving because of the stress.