If new toilet you have a cracked windshield replace it don't settle for windshield repair. It is bogus. If your insurance company insists on windshield repair, refuse that type of service and demand a new one. You have that right and you also have the right to choose your own glass company.
With a putty knife, carefully scrape the remaining parts of the wax ring from the area. Clean the spot so that the new wax ring will be level. Place a new wax ring on the opening and replace the toilet. Bolt it back onto the floor, reconnect the water line repair supply tube and watch for leaks as the water is turned back on.
Another obvious indicator is if the water you get is close to cold as ice, then your water heating device has already reached its maximum level of service. If it can talk, it might have been shouting at the top of its voice telling you it needs replacement.
Working on the gas lines is also a complex job that only a licensed plumber can handle because it is very dangerous. Small leaks can't always be detected by odor alone, but a licensed professional has the proper equipment that's needed to ensure that you don't have any leaks in the line.
The first step in the replacement project is to turn off the water line repair to the toilet and flush any water that may be in the tank. If you forget this step, you will have a giant mess to clean up! You should now disconnect that water line.
From your own point of view, it is important that the plumber be trustworthy and credible. Ensure the plumber comes with at least two strong references which you can verify. This will help you be more secure and suffer less anxiety.
Once you've located the water shut off, turn it off. Now, you can turn your attention to trying to contain the water damage caused by any leaking. Get towels, fans, blankets, or anything else to try and sop up water that is sitting on carpet or wood floors. Linoleum floors usually don't undergo much damage from having water sitting on them, unless there are cracks in the linoleum (often invisible) where the water can seep in. When your Queens plumber arrives, you will be one step ahead by following these instructions.