For most of his decades-long career at Kia, Hwang Kyung-ha has built his business not through flashy marketing or showroom traffic, but through relationships that spread by word of mouth. The veteran dealer recently became one of the carmaker’s elite “Grand Masters” after surpassing 4,000 cumulative vehicle sales, a milestone reserved for salespeople who reach the mark over their careers. Since joining the automaker in 1987, Hwang has averaged 101 vehicle sales annually, earning the title after reaching the milestone on June 16. His achievement is rooted in a niche that many retail-focused salespeople overlook: commercial vehicles for small businesses. Roughly 70 percent of Hwang's sales come from corporate clients and self-employed business owners, particularly companies involved in importing food ingredients from China and Vietnam. Refrigerated trucks, wing-body trucks and other commercial vehicles account for the bulk of his sales. Rather than pursuing large fleet contracts, Hwang cultivated a network of entrepreneurs over decades. Existing customers frequently introduced him to