Using this link is effective in stopping/blocking persistent Non Payers >  

https://www.ebay.co.uk/help/selling/getting-paid/resolving-unpaid-items-buyers?id=4137

https://www.ebay.co.uk/bmgt/BuyerBlock?

Should you decide to relist, check out the safest way to list your Vehicle >

Classified Ads. at total fee of £19. 99 allows the exchange of contact details for viewing and price negotiation over a 30 day period --- only remove the Ad. when you have a definite buyer with Cash in hand or a  Bank Transfer is safely deposited/confirmed before handing over Vehicle keys/documents on buyer viewing, payment and collection. No additional FVF selling fee is charged. --- Do not accept PayPal payment.

https://www.ebay.co.uk/help/selling/listings/listing-tips/selling-classified-ads?id=4167&st=3&pos=2&...