Instead as an example a broker/agent can have a client buyer/seller they represent and then have the opposite party as a customer performing ministerial acts.There is also deginated agency where you can designate different agents within a brokerage to work with opposing parties.   

@Marcos Gutierrez time is going to be your biggest enemy here....time for design, permits, and front end things before you even break dirt could be 3 to 6 months depending on engineers, the city, tree huggers, endangered species, ect. ect. 

Did you come up with the designs and floorplans?

It's designed to not have any long term loans for holds.

Mechanism is about $400, the tenants supply the mattress but it is designed to lift in no time. 

It is designated as a Historic Landmark by both the city and the county and is a focal point of many events and local news.

I believe the city will require you to designate a number or percentage of the new units as affordable (RSO). 

I like the idea - my main advice would be to try to design it to maximize guest count, eg at least 2 vs 1 person comfortably.

It starts with a self-directed IRA held by a custodian, but the IRA simply makes one investment into a specially designed LLC entity.

Seems a bit silly to crap on someone for asking for real estate investment advice on a board designed to get real estate investment advice.I feel differently, but less strongly, than you on this.