So my questions are:Do I write an addendum to the lease with just one person?

I never had that come into effect on my single family home purchases since I never wanted to personally be on the hook for such a high mortgage, but I think it might come into play for an MFH. 

I love the concept especially given the need in your market for storing things like snow machines, boats, rvs etc, but also for repair or general "fab shops".As long as you are seeing the demand in your specific market for these spaces, and perhaps its worth getting some leases signed up prior to breaking ground but thats a personal preference thing, I think the numbers look promising if the use case is there.

I live out of state so no way to talk to a local person these days. 

I’m ready to start investing in my personal life to achieve that financial freedom! 

In tight inventory markets like Boston, I encourage clients to clearly define their purchasing criteria, start looking, and then be patient.Some of the best deals I have seen or experienced personally happened during unusual circumstances.

Just make sure you account for Denver’s higher property taxes, insurance costs, and the ever changing landlord regulations when running your numbers.Feel free to ask more questions about the area or strategies—I’ve helped clients with similar goals and have personally done house hacks and short-term rentals around Boulder and Denver.

For the LLC, talk to an attorney and your tax person.

IMO, the person you want to look at is Jonathon Haveles with Land Riches Blueprint. 

I just completed a private lending deal where I borrowed at 10% on an investment property LOC and at 7.9% on a personal loan.