I would say you scared him off. If he is on Pinkbike I would assume he knows what he wants and is getting. I often buy from pinkbike and hardly ever haggle or have to ask technical questions. Cosmetic questions sure, but I know enough to recognise a good deal. As for PayPal gift there is no way he would be able to get his money back. PayPal gift is exactly that, he is essentially gifting you money, PayPal will not pursue it if you do not provide him with the goods. It sounds to me like he was trying to do you a favour, with gift you don’t incur any PayPal charges.