I know that falls into an attorneys hands as well with legal binding documentation. 

I can't comment on the legalities of that, however in the past I have done this with electrical.

But most people get them resolved through an attorney instead of a CPA.As someone who owns non-US investment properties and has to deal with legal/accounting issues in another country, I can definitely sympathize with wanting to get everything done under one roof.

You might have saved me some legals trouble that could have resulted from different people doing PM work across different LLCs.  

If one person finances, how does that work legally about property ownership? 

No legal advice given

Retirement accounts were designed to be invested passively, and that is what makes most sense since all income is sheltered from taxes.

I also think the idea you have for the design is really clever, you would save cash while creating a unique look. 

It is better for them to get half the profits than no profits, and you gain invaluable experience as they take you through the process with them.DO NOT go half-cocked and mail without having an understanding of the legal requirements for your area for assignment contracts.

@Chelsea Mastin  Look into the aspects of Universal Design.