The doctrine of caveat emptor would apply in that case, too.
But there is 123something in Latin about caveat emptor, which is short for “Let the buyer beware!”
There is no proverb more common than that of "caveat emptor."
"Caveat emptor" is the only rule by which fair rents may be reached.
Does the rule of Caveat Emptor apply if the seller expressly warrants the goods sold?