Ask about prices, but keep in mind that the cheapest plumber isn't always the best. You should be able to know the price before they start. Ask about regular rates and if there are any other service charges, like dispatch fees & after hours fees.
You can find out what people have to say about service companies by reading reviews online. If you find a lot of negative reviews from one company, you should definitely stay away from them. There are many positive reviews online, so you should not have a problem finding a Trustworthy plumber that you can turn to for many years to come.
When you contact the actual plumbers that you have on your listing of emergency numbers (which might very well be the first page of Google) be sure to learn how quickly they will be able to get to you. The sooner the better is always the general rule to go by. You don't want to sit with the issue for the next few days, even a few hours might be too much to ask in some situations. The best plumbers will be the ones that can get to you the quickest.
When planning major renovations, make sure you put a great deal of thought into the design and layout of your work. Make sure you check with your local council as a lot of work requires building permits (including plumbing). Please make sure if your work requires a permit, don't be tempted to get the work done without one, as you may end up in court.
Go with your gut feeling and don't hire someone that you are uncomfortable with. You should be confident that he is honest and that his bid for garbage disposal is reasonable and competitive. Watch him closely and make sure that he isn't wasting time just to collect additional money from you. Monitor his actions and evaluate whether he is giving you expert advice or simply "shooting the breeze" with you. Solid advice and intelligent tips from him are what you should watch for.
The number one thing you need to check when hiring a plumber is to make sure they are fully qualified and are certified by the TSSA (Technical Standards and Safety Authority). Most plumbing contractors are also heating contractors, therefore they need to have a valid TSSA number. Having a license is also very important. A license ensures that the plumber is following rules and standards. Do your homework when researching a plumbing contractor and try to get reviews from previous customers. Advice from friends and family who have dealt with a Local plumber is priceless. If you don`t know anyone who has had services from a Local plumber recently, online is the next best place to look for reviews of local contractors.
Do not ignore an out of service toilet if you have a business as if this problem persist you may end up moving your business at a different place. Such out of service look unprofessional and sloppy at the same time. This may really affect your business.
Doing the repair on your own is not always the best way to save cash unless you are knowledgeable on the subject. Getting quotes and deals from a local plumber is usually the best way to fix the issue on a budget. Fortunately, there are a few easy ways to get these deals, as you just have to look around for them before you get the work done.