I put out a part search on the internet for a front axle assembly for my 99 jeep. I was contacted by shane mauldin of salisbury used parts, said he had the part for $750. after some difficulty with the paypal transaction I was billed twice and paid twice for the same item.Well now there is no one answering the phones, and of course no axle asembly was delivered. I filed a claim with paypal . Can someone suggest what I do to get my money back?