The reason that cracks often start on the edges of the automobile windshield chip repair is because the edges are the structurally weakest area. The frit is on the glass because it keeps the ultraviolet light from the sun away from the polyurethane seal that holds the windshield in the frame. Without the frit, the windshield would quickly start leaking or just pop out of the frame of the car.
It's the same thing with a windshield. Why would anyone want to repair a windshield which is the only thing that protects you from oncoming objects to your face? Having a solid windshield in your car rather than a repaired one is probably safer and to me makes more sense.
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.
One more repair that can set you behind financially if you don't get done right away is windshield repair. A lot of times our windshields get cracks or chips from road debris that kicks up on the road. If the damaged windshield is taken in for repair promptly, it can be repaired. However if you wait too long you will have to end up buying and replacement windshield and paying to have it installed which is much more costly than a simply repair. Also some shops will offer a mobile service where they will come to you to repair your windshield.
Learn how to perform basic maintenance on your vehicle. It is very easy to do a tune up or change your oil so there really is no reason to bring your car to an auto repair shop to have these things done. Instead, just watch tutorials online to learn what you need to do it on your own.
Windshield replacement can be very expensive, and you obviously want to be absolutely certain it is a necessity before doing so. If you can get by with a simple repair, go for it. If not, make sure you take your time and go with a company that will do a quality job. The windshield replacement could cost more upfront, but the long term benefits will be worth it.