Originally Posted by PR_Glen

to get the most out of it generally you take it to a mechanic you trust and find out what they say it needs, if its something very small get it done and mention anything you have done to it when selling. if its something major and not worth fixing for you expect that they will find that out before they buy and use it as leverage. either way it removes most of the surprises of what you will get for it. if it's not road worthy then you can always sell 'as is' but be upfront with what is wrong with it and it will avoid you any headaches down the road.