Tiling is a time- and money-saving renovation method as long as you're working on a generally sound floor. Take your time inspecting the surface for mold, uneven or oddly placed tiles.
“Install Tiles”
— Giorgos Arabatzis
Existing tiles should be in good condition and it's worth checking how level the wall is using a long straight edge or spirit level. Any loose tiles can be removed and the wall behind them cleaned of old adhesive. The tiles can now be replaced using new adhesive to keep the surface flat.
