I HAD FOUR SEPARATE LEAKS IN COPPER TUBING IN MY FOUR YEAR OLD HOME. FINALLY, THE PLUMBER RECOMMENDED THAT WE TAKE THE PLUMBING OVERHEAD WITH PEX TUBING. I HAVE NOW BEEN TOLD BY SEVERAL PLUMBERS THAT COPPER TUBING HAS BEEN AN ONGOING PROBLEM FOR SEVERAL YEARS, AND SLAB LEAKS IN FLORIDA HAVE BECOME A PERSISTENT PROBLEM. ANY COMMENTS WOULD BE APPRECIATED. THANK YOU.