House hacking real estate for millennials | THE ULTIMATE GUIDE. House hacking real estate is a great way to get started in real estate investing. Millennials are seeking new ideas to house hack multifamily homes. House hacking duplex, triples and quads can be easily done with these house hacking 101 methods I’ll be covering in this video. I’ll also explain what is house hacking and simple financing strategies hacking a home using fha loan and more.