9 Foods That Are Cheapest to Buy Right Now (And 7 You Should Wait On)Grocery pricing fluctuates constantly based on seasonal harvests and agricultural commodity market shifts. Knowing which foods are cheapest to buy right now protects your weekly food budget. Nine Foods to Buy Right NowSeasonal watermelons and fresh sweet corn offer exceptional value during summer months. Quality control is a vital part of seasonal grocery shopping. Buying cheap foods right now and waiting on expensive items protects your wallet.