Whether it’s paying a little extra to get a 'free' bottle of cola or upgrading to a great deal that includes a dessert that you don’t really want, there’s always a tempting meal deal on offer to get you to buy more than you planned. Think: do you really want all the food you're about to order? Could you get it cheaper without the deal? A quick calculation could save you a few bucks every time – hopefully slashing your average spend on takeout.

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