eldar nurkovic / Shutterstock.com
Savvy shoppers know one of the best ways to determine whether something is a deal is to look at the unit price. That is, look at how much an item costs per ounce or sheet or pill. The best unit prices often come from buying in bulk. You don’t need to belong to a warehouse club to buy in bulk either. Look for family sizes in your supermarket or stock up when you see a great sale. It doesn’t make…