Unravel the Puzzle: Guess what causes buyer’s remorse?

The answer to the crossword question ‘Thinks of with buyer’s remorse, say is RUES’ is the word “rues“. Specifically, to “rue” something means to feel regret or remorse for it. In this context, the crossword clue is hinting at the idea of someone reflecting on their purchase with a sense of remorse or regret. The word “rues” fits perfectly within this context as it encompasses the act of thinking about something with buyer’s remorse.