You walk into a store, wallet in hand, determined to complete your holiday shopping cost-effectively and efficiently. Fast forward, your cart is packed with items from "Last Minute Gifts", "$5 Stocking Stuffers", and "Gadget Gifts For Anyone" displays. How did all these items end up in your cart? Who knows, but it's the holidays and you'll find a good home for them. Brick-and-mortar stores aren't the only ones displaying temptation. Online websites are overloaded with "flash sales", "half priced gift sets", and "$10 off $50 purchase". Needless to say, buying temptation is everywhere. The average U.S. consumer spends $5,400 on impulse buys according to a new survey by Slickdeals.net . How do you avoid overspending while giving generously? Keep reading to find out how to curb holiday impulse purchases.