Some will say 3k for a 00 with 500 miles!

There called reamers/dreamers or they are from Alabama.
Truth is a car is worth what someoe is willing to pay. Check your area and hit the autotrader youll see how much they go for from private as well as dealers in various areas of the country.
Oh ya and just in case a 30K ancer peakes your intrest, you should be ok. As the 10-16K you may spend on a tour should only take a minimal hit in a private sale a year doen the road, trade is another story.