If windshield repair the source of the noise is the heat shield all you have to do now is to tighten it up. Turn off the engine first then go underneath the car. With your good old screwdriver, tighten all the bolts connected to the heat shield and I mean, every single bolt. While you are already down there, check if the heat shield has been twisted or curved. You can fix a bent heat shield through a pair of pliers or a screwdriver. Pull the heat shield away from the spot where it makes contact with the exhaust pipe.
Again, the higher the inherent value of your house, the better your return. This is certainly not the time to overspend in these areas. If you own a rental property, factor in at least 2-5% of your gross income for repairs and maintenance.
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.
On most car windows there is a small triangle printed from the manufacturer. Under the fix auto glass repair serial number is a small point with a number. This is the year of manufacture of the window. With popular car models this figure represents the model year. For example a 7 would indicate a model from 1997. If one window has an alternative number it may mean that the window has been replaced due chip or crack damage (windshield) or burglary (side window). If the windshield and side window have a different number from the rest of the windows, this could mean that the car has had a collision. Due to damage the windows have been replaced.
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.
Sometimes the weather stripping or window channel is torn and falling apart. This can jam the window or prevent it from moving the way it should. Also look for objects that might be jammed into the window path. There may be too much friction between the glass and the channel. You can lubricate the channel with silicone spray.
Ignore the damage. While small chips or cracks might not seem like a big deal at first, they can spread or otherwise sacrifice your vehicle's structural integrity. For maximum safety and compliance with the rules of the road, get your windshield repairs done right away.