Amy .. you're not getting this honey... read back the thread.. She offered coins in change, not the refund.
Jessica, I can only sympathize.... what a jerk.
There is no exact written rule when a refund is acceptable. It is really is down to individuals and given circumstance I suppose. But, respect and decency must prevail. For example, if one is to book a lady, arrive, meet and is willing to hand over the "gift" then in my book the transaction is done. Unless... unless the lady is being blatantly deceitful as far as promised favourites were concerned, or tries to conceal her body behind a curtain of clothing only to reveal a "totally not advertised in profile" type shape late into the booking.
In my opinion, if an escort presents herself as per profile, and is willing to delight her client, once money changes hands... the deal is done.... If he wants to leave now... frankly... fuck him...