I think it's best not to sell it to CarMax. They will offer you a very low price for it because they have to make a profit on your car. Sell it yourself for much more. Considering your condition, it makes sense to sell it from your residence. Have a friend or family member transact for you. Good luck.
You will need a clear title to sell to them and someone to drive it there,, they will inspect it and test drive it,, they will give you a written estimate that's good for 7 days
Clear title, current tags, your id and insurance...
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