Despite big challenges, this startup retail venture is a success.

The article focuses on the approach of Portland, Oregon residents Carol Ellis and Serge Quattara in running their pet-supply store Tré Bone. It notes that Ellis and Quattara are divorced couple who continued their business partnership. Furthermore, it mentions the U.S. Small Business Administration (SBA)-backed SCORE, a nonprofit SBA partner that matches volunteer mentors with entrepreneurs, which has assisted Ellis and Quattara in running their business.