. . "it is not easy to make a go of it alone, which Kerr, a former Alpine skier, did before the start of last season when he declared he would ski for Jamaica.He must find money for the equipment that sponsors do not provide, as well as travel, entrance fees and other expenses.Kerr's coach, Eric Holmer, is also his travel agent, finance guy and, perhaps most important, his ski tuner.The team is small." . . .