Complex sentence: Isadore Edwin Hanover purchased the hotel from the county in 1975 for $400,000 and sold it to his son-in-law, Jack A. Belz for the exact amount who then spent the next several years and $25,000,000 renovating the landmark structure.
Split into simpler sentences: Isadore Edwin Hanover purchased the hotel from the county in 1975 for $400,000 and sold it to his son-in-law, Jack A. Belz, for the same amount. Belz spent the next several years and $25,000,000 renovating the landmark structure.