Here are a few helpfull links when buying vehicales...These only work on Vehicles registered in Florida. Also can be found on DMV Website.
First one you can see if there is a lein, any types of branding(rebuilt, salvage etc) registration dates, how many current owners.
https://www6.hsmv.state.fl.us/rrdmvcheck/mvcheckinq
Second is to check if vehicale has a open stolen report on it
FDLE Public Access System | Stolen Vehicles Search