Here's a trustworthy drain leak repair point for you to follow up on the plumbing heating and air-conditioning guys all drive service trucks. Be on the lookout for those trucks if they are your neighbors; go say "Hello" and introduce yourself.
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.
Ask the plumber company if they are properly licensed and insured and then explain your problems. If you can explain your draining issues, appliance fixtures, or any piping repairs that need looked at then your contractor will have a better idea of rates. Rest assure that even for home flooding, gas lines, and big water damages you'll still be able to get a hold of the emergency plumbing services in your area by searching local water heater repair service on the net.
If you're working with several people, it would be good to take different sections in wetting, scrubbing and rinsing to complete the whole acid wash pool maintenance faster. Make sure you get the pool completely covered. Check to ensure all of the walls and the floor are completely acid-free.
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 conditioner 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.
Follow all the safety measures that are mentioned by the manufacture as mistakes can be costly. Always turn off your regulator and keep your stove unplugged. Be sure to test the entire line for any gas leaks. Use full proof plumbing procedures for easy maintenance and repair. Now, you can buy lpg gas pipe fittings of the highest quality via the internet.
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.