If you are an avid golfer who really enjoys the game, there is no excuse for not belonging to the USGA. You don't join for the "benefits." As others have said, you join to support the organization that governs the world's greatest game. For example, the USGA donates millions of dollars to research organizations for turf management and other agronomic research directly related to maintaining golf courses. They also test equipment, manage the rule book, handicap system and also provide millions in grants to under-privileged and disabled individuals.