Many of us have been talking about the high cos of energy and even more of us worry about it. How do you figure out which appliances are the most expensive and which are not a big a deal? www.1saleaday.com has an energy meter with cost calculation for just $19.99 with free shipping. It could solve a lot of arguments and help set a reasonable rent or an adult child living at home. Here is the info from the website: Living in the Age of Technology isnt cheap, so cut your energy bill in half by finding out which fancy device or appliance is costing you the most with this handy Energy Meter. Simply attach it to any appliance and the middle pane on the LCD screen displays the wattage, voltage and current. Also features an overload warning display and buzzer. Condition: New Packaging: Retail Warranty: 1 year Manufacturer UPM Model: EM-100 Features Include: Calculates energy costs and saves money Attaches to an appliance and calculates the energy usage Displays the energy price and total cost Automatically shuts off appliances LCD display Overload warning display and buzzer Batteries included for memory protection Dimensions: 5" x 2" x 1.5"