Doing a complete kit. redo. New cabinets and flooring. Plan on removing old layers of sheetgoods, etc., then new plywood sub/underlayment to ready for ceramic tile. Do I tile the whole floor, under the new cabinets? Or, my thought, lay the plywood underlayment on the whole floor, and another, say 1/2" plywood where the cabinets will be, thus raise them up to the finished floor height, rather than tile under them. This way, under cabinet appliances can still fit under and on-floor appliances are at right finished counter height? Thanks!