We raised and four kids in an 800-square-foot mobile home. We were solvent and debt-free on one income while I homeschooled. I know about pinching pennies and cheap family fun. Here are tightwad mama's tips to stretch your summer fun buck. Make money multitask. Pay with the payment form that saves most and earns best rewards: store credit cards, debit card. Save points for better rewards. Cheap Summer Family Fun Ideas from Tightwad Mama