According to a Consumer Reports study, you can save about 3 percent on your electric bill for every degree you raise the thermostat setting. So theoretically you would save about 30 percent if you raise the temp from 72 to 82 degrees.
In the first years of my life, I had a dairy allergy. Even having a teaspoon of milk would give me a three day ear infection. So I had my bowl of Cheerios with soy milk, and orange sherbet was the only option when the family stopped at an ice cream parlor.