Energy bills are going to be sky-high this year —that is, unless you are prepared! 10-Minute Energy Saving Tips will arm you with hundreds of easy, innovative ways to cut your heating bills (and your cooling bills next summer!). Tips include opening curtains when the sun comes up to let the sun's energy in, but close them as soon as it gets dark to keep the warm air inside the house; caulking around any old windows to prevent leaks; and many more.