Fully tiled modern bathrooms are almost universal. Bidets are standard. Some water heaters are small and will accommodate only one consecutive shower. Your American appliances, unless dual voltage, will not work in Europe. Italian plugs are three prongs in a row, but the two prong plugs used throughout Europe fit as well.
Plug adapters are for sale in electric shops.
Since the Italians voted against nuclear power, electric rates are astronomical. Electric costs pain property owners and they solicit your consideration. Old farmhouses and villas are stone built with extremely thick walls and are cool havens during the summer months. Although most of us are accustomed to air conditioning, we will rarely find it in a rental. If this luxury is mandatory to your happiness, a hotel stay is recommended.