If after using a plunger and a plumbers snake your trustworthy drain leak repair is still blocked then it's time to summon your local emergency plumbing services to take over.
Like knowing where your electrical panel is located, it is just as important to know where the valve for the main water service to your home is located. Also, knowing where the water valves for individual fixtures can help keep small leaks from becoming major repairs. Start by turning off the water for the individual fixture near the affected area. If that doesn't work, or your issue is a busted pipe, turn off the main water service. The main water valve is usually located outside in a box in the ground. Turning off the water main will stop the flow of water to your home and thus preventing further water damage.
It is always a good idea to do some online research. For example, if you have a clogged drain and you live in the Atlanta area you should search for "Atlanta plumbers" or "Atlanta drain local water heater repair service". This will bring up a list of Atlanta plumbers rather than plumbers from across the country.
Do you offer the type of pool container that I want (fiberglass, concrete/gunite, vinyl liner) and how much experience do you have with installing that type of pool?
Last but not least is don't hire someone just because they gave you the lowest bid. Next don't hire some handyman that does odd water softener jobs, in some cases they can cause you more problems that down the road it will cost you more money to fix what these handyman broke or did wrong. Sometimes the lowest bid is going to cut corners and not do the job right or when they get there and start doing the work, they keep saying they are finding more and more wrong and you end up spending more than what you should have.
Access - Ensure there is easy access to your pool from your house, restroom or entertainment area. You might want to consider how patios, decks or walkways are positioned to provide a safe and simple entrance and exit between your home and your pool.
Your expert plumbers have the qualifications to do a number of plumbing jobs, but they can do more than fixing drain relines. Plumbers can also help you to perform annual backflow testing to prevent water to be contaminated.