How do I get cash for my Walmart gift card?

OK so I received a $20 dollar gift card 2 weeks ago and I want cash for it. I tried to get cash at walmart but they didn't except it for cash. I'm thinking I should buy something worth about $20 dollars then come back and return it. Will they give me cash? I also want to know any other way I can get cash... show more OK so I received a $20 dollar gift card 2 weeks ago and I want cash for it. I tried to get cash at walmart but they didn't except it for cash. I'm thinking I should buy something worth about $20 dollars then come back and return it. Will they give me cash?

I also want to know any other way I can get cash for a gift card.
Update: Moonsong I just wrote that I did that......actuall y I did that exact thing. THEY SAID THEY DONT EXCHANGE GIFT CARDS FOR CASH!
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