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.
Insurance companies are more susceptible to cover the windshield if it is on the driver's side or if it is a more intense crack because it is more important to get it done in that case. They do not want any obstructions of view in the line of vision for the driver.
Warranties may not seem important, but they really are when it comes to windshields and windshield replacement. A reputable company will certainly stand behind their work and have no problem guaranteeing that work. Any future incident could be the result of work that was not done well and you want to make sure that you have a recourse that will not have additional costs.
There are many different repair kits that can be used for repairing your windshield. One excellent windshield repair kit is the Fix-A-Windshield, Do-It-Yourself Repair Kit. It comes at a very affordable price of $10 and contains all the necessary tools that you will need for repairing cracks in your windshield. This includes the clear resin bottle, and an air suction tool that removes air in between the break of the crack.
Still no big deal? In some states it's illegal to drive with a crack in the windshield that is in the driver's line of sight. In other states it's illegal to drive with a cracked windshield at all. I'd call that a big deal.
There are certain scratches that are advisable to be removed by buffing. If the scratch is too deep however, it is best to use resin to cover up the scratch. The rest of the window will be protected from further damage if the spider cracks are stopped in time.