The Root Collective sells comfortable, handmade shoes and accessories that create jobs for people who need them. Bethany Tran, the founder of The Root Collective, knows how hard it can be to start up a business. “Most businesses fail in the first 18 months,” she says. “I think it’s less about money, and more about how much it’s going to rip your guts out.” Bethany knows something about perseverance. Five years ago, she started a business working with artisans in the poor neighborhood of Colonia La Limonada in Guatemala City. Starting out, she didn’t get it quite right. “When I first launched the business, I tried to do way too…