 Wait until Amazon Prime Day because the UMA is sold on Amazon and it might be on sale on Amazon Prime Day. You've got a couple days to wait. 888-RICH-101, 888-742-4101. More Rich on Tech coming your way right after this. To enter the Great Grand Slam giveaway, text BASEBALL to 208-522-5900. The winner will receive a trip to Seattle and tickets to two Mariners games.