McDonalds' Coffee Mug $3.29, then FREE COFFEE FOR LIFE!!!
Go to McDonalds, buy a coffee mug (it's about 16 oz) for $3.29. Then whenever you bring in the coffee mug to that McDonalds, you get FREE COFFEE FOR LIFE. Yes, FREE COFFEE (no refill fee) FOR LIFE!!
Where I saw the deal: Nobel and Genesse McDonalds - San Diego