Not sure. Recommend that you call the store before you go.
More than likely
Yes you can, just make sure you stop at the customer host to get a tag. Then go get the ones you want to exchange for and head up to customer service with both pairs. If the new pair costs more you'll have to pay the difference if they cost less you'll get the remaining amount on a Walmart giftcard.
Yes but they will give you the lowest price over last 30 days
Yes, as long as you're sure they came from there
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