Complex sentence: Land scams do still occur in Florida, and in online auctions of Florida property, involving unbuildable swampland misrepresented as if it was buildable in order to fraudulently inflate the sale price.
Split into simpler sentences: Land scams do still occur in Florida, and in online auctions of Florida property. It usually involves unbuildable swampland misrepresented as if it was buildable in order to fraudulently inflate the sale price.