Are they reputable? This may seem like a rude question to ask a plumber trustworthy drain leak repair but it is important because you are going to be letting them into your home. Ask them for references and many of them will be happy to provide some. Most plumbers understand that you have to be careful who you let into your home these days and will do everything they can to ensure you that they are indeed reputable and can be trusted in your home.
If you ask and don't receive a copy of worker's compensation and liability insurance, don't use the builder. You may even go as far as to call the agent listed to verify that their insurance is in force. Finally, remember worker's compensation protects people. Liability protects property. You need to have both.
It would be good to have a couple of people around while the process is being done just in case there are accidents since acid is a very local water heater repair service hazardous substance.
Pool developers consistently experience a high turnover with their staff so it's a constant struggle to keep good, experienced people who have installed a lot of pools. There are also a lot of developers who will sell you a pool with no regard for how it will be integrated with your landscape and lifestyle.
You might also want to know more of the specifics. One example is a lady on a recent consumer alert TV programme who was charged faucet replace more than a week's wages for unblocking her sink. It was a problem that it took the plumber less than a minute to remedy.
So you want to buy a pool but don't know where to start? Perhaps knowing the common mistakes people make when purchasing a pool will help you start off on the right foot. Everyday, people get "duped" into buying the wrong pool, the wrong way, with no recourse or protection. These same people wind up being dissatisfied and even angry because their expectations weren't met.
The bottom line is: You and your plumber need to decide if you truly have an emergency plumbing problem. If the problem is serious and you really can't delay getting it fixed, then by all means have the work done as quickly as possible. It will probably be cheaper in the long run to delay repair on a plumbing problem that is "livable" for the time being. You will need to weigh your options and discuss them with your plumber after he has evaluated your unique situation.