You may want to check their current policies, post-COVID. Normally, yes, you can. Receipt's required for cash to be returned or credit/debit to be returned to the original card. If the return period has passed (90 days for most items) or you don't have the receipt, they usually offer store credit (Walmart gift card), credited at the item's current price.
Yes if you have the receipt you can
Yes,with receipt.
Yes, you do with receipt
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