Unless its someone I know -always going to look and touch the vehicle. That being said this is a good FREE site
https://www.nicb.org/how-we-help/vincheck I am always looking at CL and MP listings so you never know. A car last week was a too good to be true $$ and sure enough, even though it had a clean MS title it came back on the site with a past Salvage (Totaled) Title from LA