Are you spending money on things you don’t need to? Even you answered no; you may want to double check. We all spend money on things without even knowing we’re doing it. Vincent King, on his post for Moneyning.com, calls these our personal finance leaks. And at the top of his list is that outdated thermostat that you still use. A new, automatic thermostat that you don’t need to fuss with all day long could save you up to 15% on your heating bill. For more money saving tips, click here.