There should be no difficulty in ROI buyers placing a bid although viewing before purchase is not allowed --- ideally better to have listed as Classified, as once listed, eBay will no longer be involved in how the sale progresses >

Classified Ads. at total fee of £19. 99 allows the exchange of contact details for viewing and price negotiation over a 30 day period --- set the Start price at or near the price that you would find acceptable --- Avoid accepting Offers which will halt the listing and the deal may never be completed --- just continue to Negotiate an acceptable selling price and 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 /collection. No additional FVF selling fee is charged. --- Do not accept PayPal payment. --- stay safe!

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