The term 'buy and sell' is a phrase used to describe the process of exchanging goods or services for money. The crossword solutions for this term include 'MARKET' (6 letters), 'DEAL' (4 letters), 'PUSH' (4 letters), 'TRADE' (5 letters), 'dealin' (6 letters), 'OPERATE' (7 letters), 'WORKOUT' (7 letters), and 'INTERACT' (8 letters), and 'reachout' (8 letters). All of these words refer to different aspects of the buying and selling process, such as negotiating prices, exchanging goods, and interacting with customers.