Do you know if the price of say a quart of milk has gone up in price? How about how much you paid for gas last month.? Or that hair color three months ago? Sometimes we have a vague idea that something’s gone up in price but to be sure, why not keep a price book. It doesn’t have to be fancy, something from the dollar store will do. Write down all the things you buy and include services and memberships and make a note of the current price. When you go to buy that same thing or service in say a month, check on the price. If it’s going…