save time and money, you should group all of your plumbing problems for one visit. when you have a bunch of nagging problems, note what all of them are and then call the plumber. the plumber can take care of all the problems at once, and you won't have to be frequently calling him or her over. investigate loose tiles for sign of water damage. loose tiles are often the first indication that you have a leak. to find out, simply press gently on the tiles to feel if they move or feel out of place. the tiles may be your first sign and will let you handle the problem 