Without seeing your plans and a complete scope of work generally you pour the foundation and basement first, then frame the entire addition and tie into the existing structure and dry in before you open up the existing home to the new space.I would need more info on what you’re doing with the roof to answer that question.

@Austin Thompson Moving forward, if you were in my shoes, what course of action would you recommend?  

Alternatively we will just continue to slowly DIY the renovations ourselves, but I feel like it is tying up our cash and time!

I've recieved advice in both directions: walk away or why haven't u bought itTitle tied to land.

How should one successfully navigate an investment opportunity that has a high tax redemption tied to the purchase? 

One option for getting your feet wet in Detroit is tying in with a turnkey provider.

Now I'm having second thoughts due to the higher debt obligations i would have by renting it out.As an aspiring investor, what would you do in my shoes?

Even though it's legal recreationally in the state of Mass, you can't have an official document that is tied to BP encouraging tenants to consume, possess, distribute, and manufacture it. 

10k tied up in a depreciating asset so you can’t really start counting cash flow until that is recouped.

Late to the thread and not sure if this was covered.CAP rates are tied to the alternatives.