Currently located in Lapeer, Michigan    2015 40 ft. 3 slides  stainless steel appliances inc. dishwasher, corian counters,   lazy boy  recliners, queen sleeper sofa, end tables and lighting, large screen tv with sound system, fireplace, basement vac system, mahogany cabinets, island with double sink, day/night shades, sliding patio door with screen, large bath, king bed, washer/dryer hookup, back door, thermo windows, 2 fantastic fans with auto open/close rain sensor settings, dual zone heat & cooling, 2 large auto awings on entrance side,  ex condition  following link gives eact sizes for unit and tanks.        https://www.rvusa.com/rv-guide/2015-forest-river-cedar-creek-cottage-destination-trailer-floorplan-40cck-tr23422 
This trailer is showing sales between 41000.-55,000. on google search.