The problems that a plumber must address are really varied. There are a series of bad things that can happen to people that do not take extra caution when they talk about the plumbing system. Many people assume that the system will function for itself with no additional attention needed. What they do not know is that the system needs constant care. The pipes cannot scream for themselves when they are corroded. If the process is accelerated than the problem is obvious. The system will break loose.
The plumbing repair turns out to be in many cases a difficult task. The pipes go underground and some houses have the pipes buried in the walls. This is why spotting a leak can be really difficult. A close look once in a while may facilitate what we know to be the classical plumbing problems. In this case we may prevent pipe leaks and water bursts in the middle of the night.
We should not worry about people and about prices. If we find a professional we have to be willing to keep him and to be happy that we have this opportunity. In the end it is in our best interest for our house to be perfect. Therefore no sum is too high for a decent work being done. The money we spend now is wisely spent for the future.