I am 19 and live with my parents. I am leaving, though, in 3 months. I hope to lead by example as you state.
It sounds as if you are waiting for someone to do this for you. What's stopping you from building your own 250 square foot house with a vertical garden? Lead by example.
Seems like something that is primarily a vehicle to facilitate making purchases and/or viewing ad supported media should be given away free?