Inertia Tours, 165 S. Guadalupe St., San Marcos, opened Sept. 28. The business organizes college beach and ski vacations to South Padre Island, Cancun and Colorado. Inertia Tours is a division of Free Livin' Entertainment and Lifestylez.com. The business is open Mon.-Fri. 9 a.m.-10 p.m. 800-821-2176. www.inertiatours.com