Load store-app digital coupons before checkout
Two minutes in the parking lot; discounts apply automatically at the register.
Stack manufacturer + store + rebate app
One item can legally take all three: the store's sale, a manufacturer coupon, and a receipt-scan rebate.
Sunday inserts still exist
Paper coupons skew toward staples and household goods — grandma's method still clears 5-15% for planners.
Buy the loss leaders, skip the aisles
The front-page flyer items are priced at or below cost to pull you in. Take the bait, skip the trap.