I bought my twin donkey in October 2011 and we've finally stopped using it just in time to sell it to a friend who is expecting multiples but I have no real idea how much they're selling for. It's a twin donkey so has two bassinets, two seats, raincovers, etc etc. It's definitely used -scratches on the frame, a couple of stains on the seats but is otherwise a fantastic buggy. How much do you think is reasonable to ask?