Caveat emptor means 'let the buyer beware', and is a warning to someone buying something that it is their responsibility to identify and accept any faults in it.
[formal, written]
caveat emptor in British English
(ˈɛmptɔː)
noun
the principle that the buyer must bear the risk for the quality of goods purchased unless they are covered by the seller's warranty
Word origin
Latin: let the buyer beware
caveat emptor in American English
(ˈɛmpˌtɔr)
let the buyer beware (i.e., one buys at one's own risk)
Word origin
L
Examples of 'caveat emptor' in a sentence
caveat emptor
But then, in matters of love and war, it is caveat emptor: Let the buyer watch out.