Excellent idea and I'm sure with some tweaking it might actually be able to hold a lot of weight.
Thank you very much for your post and definitely tag me in your further work because having a community for intentional communities on the blockchain to reward people that have a dream to own land and share with other human beings.
This work trade idea has some amazing merits. Personally I would love to go hang out and help you out for a while. Then we could both grow not only with this blockchain connection but also in reality.
Keep up the hope and I'm sure that there will be more ideas and support for your project