Definitions of caveat emptor
the legal maxim (=a widely accepted saying) that the buyer takes on the risk regarding quality or condition of property purchased from a seller, and should therefore examine and test a product for obvious defects and imperfections; the principle that the buyer is responsible for finding out the condition of the property by survey and any matters affecting the legal title to the property by using a lawyer to check the title and carry out searches
When it comes to choosing an investment fund, the principle of caveat emptor, or 'buyer beware', applies.