"Caveat emptor" is a sentence in Latin. You could incorporate it into an English sentence, as:

This item may not be worth the price; so, as always, caveat emptor.

Caveat emptor means "Let the buyer beware" in Latin.

The Latin verb "to buy" is emere. (Hence Caveat emptor, "Let the buyer beware".)

"Caveat emptor" is Latin for "Let the buyer beware". Generally, caveat emptor controls the sale of real property after the date of closing. This forces the seller to take responsibility for the product and prevents sellers from distributing unsatisfactory quality products.

Caveat emptor is not an acronym or abbreviation. It's latin for "Let the buyer beware." A caveat is a warning. Emptor is related to the word emporium (store.)