Need Help/information about buying a truck

[cincytrucktp]

Finally found a truck (i think) and it's just about 1 hour away in Indiana. Going to look and probably buy on Monday. Just have a couple of questions. The truck was on ebay and the ad has one of those "auto check vehicle history report", is this trusted info? Can I assume I'm not buying a stolen vehicle? I talked to the guy for about 45 mins on the phone and he seemed real up and up, so I don't think or suspect anything but just wondering if there is any homework I should do on the vin before I go up and hand him a roll of cash? Also I haven't bought many cars/trucks, but the seller told me that in Indiana all he has to do is sign over the title to me by just sign the title and put the odometer reading and how much it sold for and then I give him the money and it's all mine. My question is does anyone know if this is correct in Indiana? Do I not have to get the title notarized as I'm giving him the cash? Also will my state OHIO give me a hard time if it's not notarized?