Thats very shifty, but I guess you need to pick up the car!
Yeah, many people for example keep refreshing in the last 2 minutes, and quickly keep bidding until they win, if their outbid.
Some clever but shifty people out there. make sure you read all the text, however small.
Also check their ratings. Even if its 100% check.
For example, someone could have 100%, for being a good seller for only selling one item, and that could be to him/herself, so make sure there are other big items on the list of approved scores by different people at different times.