Complex sentence: His barbering business thrived and expanded over the years and he went on to invest in real estate, and then entered insurance, successfully building up the Atlanta Life Insurance Company, operating in Florida, Kansas, Kentucky, Missouri, Tennessee, and Texas.
Split into simpler sentences: His barbering business thrived and expanded over the years; and he went on to invest in real estate, and then entered insurance. He successfully built up the Atlanta Life Insurance Company, operating in Florida, Kansas, Kentucky, Missouri, Tennessee, and Texas.