It’s National Donut Day today, and if you play it right and don’t mind driving around, you can eat about 12,000 calories in donuts without spending a dime.

Pretty much all of the smaller donut chains in the country are giving out free donuts, or at least discounts, today.

And these three major stores are also getting in on the action:

1.  Krispy Kreme will give you a free donut for walking into their store, no purchase necessary.

2.  Dunkin’ Donuts will give you a free donut when you buy a drink today.

3.  Walmart is giving out free glazed donuts all day today.  They’re planning to give away more than 1.2 million of ’em.

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