Complex sentence: He shortly thereafter decided to add a flea market through shrewd business practices and somewhat extravagant promotion, Henn was able to grow the Fort Lauderdale Swap Shop into one of the region's most popular tourist attractions.
Split into simpler sentences: He shortly thereafter decided to add a flea market. Through shrewd business practices and somewhat extravagant promotion, Henn was able to grow the Fort Lauderdale Swap Shop into one of the region's most popular tourist attractions.