I get to this one page that has a video. I normally don't reliable watch videos but for some reason this one caught my eye. Eventually, I realized that the video was just a recording of the actual sales page itself. Everything was word for word. This is a pretty common copywriting technique that ultimately will capture both audiences; those who like to read and those who like to watch and listen. It was a nice touch.
There are two, one on each side of the toilet, closet bolts which hold the toilet to the floor. If there are caps over the bolts, remove or pop them open. Using a small crescent wrench unscrew the nuts from the bolts. Alternate side to side when unscrewing this will be much more important when reinstalling the water line repair bolts but alternate anyhow.
When trying to locate a plumber, be sure they have had proper training. There are three types of plumbers and they are classified by the amount of training they have. An apprentice plumber receives training through a local union. They follow an apprenticeship program for about three or four years. They learn through on-the-job training and some classroom structure. An apprentice plumber does get paid for on-the-job training.
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 water line repair most likely damaged your electrical outlets and lighting fixtures. Have a qualified electrician come in to evaluate and repair the electrical.
Plumbers, contractors, landscapers, and related professionals are often indexed by numerous online websites eager for you to visit their "directory". Each field will have their own group of websites competing for your attention. In the end these "Plumbers Directories" are often incomplete, and frequently provide little more information than the phone book.
Over the counter drain cleaning products offer convenience and effective results. However, they are best left to those who need to simply improve the flow of water, not those who need to repair it.