$500 is too low. Folks are getting $950 for these in New England, but you might find one for quite a bit less if in a barn or if someone doesn't know what they have. I wouldn't pay that because I know I am going to put at least $300-$400 into it get it to be what I want. I think the blacked out 5 star-ish looking kitted peds (if done right) are worth over $1200 which compares to a mid-range mountain bike and is half the price of a decent e-bike. The days of the $500 runners available on FB, CL, et al are numbered if not gone already. Case in point...http://garage.1977mopeds.com/build/77+Yellow+Maxi