A Boeing 727-200 Home Project
airplanehome.com
airplanehome.com
Years ago you could buy an old submarine in the Netherlands for around $1 Moving costs excluded ofcourse.
But I always fantasized about putting it on a piece of land using it as a house.
70 seats (82-pound per piece) weigh 2603 kg.
An Embraer 170 has an empty weight of 21140 kg: https://en.wikipedia.org/wiki/Embraer_E-Jet_family
The Mil-26 can carry 20000 kg of cargo. https://en.wikipedia.org/wiki/Mil_Mi-26
But maybe the wings would need to be removed first, as they would be aerodynamically inhibitive for helicopter flight.