Shane Buck took over his family’s longtime plumbing company a few years back and quickly doubled its size by adding septic pumping to his menu of services. Finding people who can switch-hit between the two specialties has been a challenge; one that left Buck a busy man as he tried to keep pace with customer demands.Buck, 37, is the owner of Buck’s Plumbing and Sewer in Cookeville, Tenn., a city of 24,000 about 80 miles east of Nashville. His grandfather, Lester, started the company in 1960, offering both plumbing and septic pumping. Jerry, Shane’s father, later combined Buck’s with his
