It would be worth it to me to offer an equity stake in exchange for cash, I'm just not sure how to fairly structure this for both parties. 

I'd have an agent run comps and see if they are offering a fair amount.

To be as fair as possible, I'll let everyone know who would have qualified that the unit has been filled and is no longer available.

80% LTC is standard on ground-up construction, if they are using an experienced builder, have decent credit & the after-build value is sufficient, it should be a fairly straight-forward loan.The main problem I see with non-experienced builders trying to build is lack of funds, they will need 20% of project cost + Closing Costs + 6 months reserves.

On market deals, being exposed to the market, should sell for the fair market value.

I’ve managed my fair share of properties, and the number one way I’ve gotten property management clients is by helping them solve a problem.

and even then the return will be fairly low based on the risk you're taking on. 

I had fairly good luck with all tenants that I placed while I was self managing. 

This allocation should be based on the fair market value of each component, typically determined through an appraisal or the values agreed upon in the purchase agreement.

Your check will come in the mail.It fairly straight-forward process.Hope that helps.