Complex sentence: As a retailer, Buyer's Best Friend owns and operates 3 San Francisco retail shops that sell products sourced from its online catalog, located in Haight-Ashbury, North Beach and the San Francisco Ferry Building.
Split into simpler sentences: As a retailer, Buyer's Best Friend owns and operates 3 retail shops that feature products sourced from its catalog. These shops are located in San Francisco in Haight-Ashbury, North Beach and the San Francisco Ferry Building.