Customer stated that they were having high water bill and pressure was low at kitchen sink when cold water was on. Ask customer if there was any toilets that were running in. Customer stated that there was one. Recommended a customer to have that toilet rebuilt and also under kitchen sink install installed new service valve for the refrigerator and the cold side sink. Customer agreed price went ahead and rebuilt toilet and install two new service valves. Tested and no leaks were at this time. If high water bill continues will need to return to run further diagnostics. Also will send estimate for new water heater and hose bib replacement.