What does the Latin phrase "caveat emptor" mean?

Which 1965 Rolling Stones hit opens with Keith Richards's famous fuzz-guitar riff? Identified in 1897, the first virus known to cause an animal disease causes which illness of cattle, sheep and pigs? Which mosquito-borne fever takes its name from the jaundice it causes? Cavatica is the last name of the title character of which 1952 E.B. White novel? Johnny Hart created which comic strip about cavemen, first published in 1958? Cavers use special dyes to trace the flow of what? In CB radio slang, made popular by C.W. McCall's "Convoy," which code means "OK"? CBS reran which 1970–71 police series after its star, Burt Reynolds, made it big in the movies?