The crossword solution for the term 'THE BEST THINGS IN LIFE ARE FREE' is three letters: 'ARE'. This phrase is a proverb that has been used since at least the early 19th century, and it is often used to express the idea that some of the most valuable THINGS IN LIFE cannot be bought with money. It is a reminder that the most important THINGS IN LIFE are not material possessions, but rather intangible THINGS such as love, friendship, and happiness.