I was looking for a specific car that had not been produced since 2004, (chevy Tracker) . Having bought one site unseen, I didn"t want to do that again (ebay), since these cars are not plentiful i bought the yearly pass to car fax. Being mostly concerned with mileage, condition, service records, accidents ,etc. Car fax was the answer.Living in Florida you must concern yourself with salt corrosion and severe rust. Many cars were eliminated because your car fax told me where the car had been delivered to new and where it had been till the present date.I found the car I was looking for, with no accidents, complete service records and never been on the coastline. I will continue to use car fax,with any future purchases.