There is a lot of good, cheap, simple systems out there that incorporate multiple facets of property management including basic accounting.

Consider a campaign that incorporates different pieces.

The ADU was built before the city was incorporated.  

I just renewed their lease for another year.Noise is inevitable, and any tenant you have will be annoying at some point... whether it's little feet running across the room, a treadmill, a rolling desk chair, or exercising. 

If this revenue estimation will allow you to cash flow on your property, then it might be worthwhile to try to use some of the ideas those other STRs incorporated into their design and marketing to try to bring your revenue stream up to their level.

I’ve just left a 20+ year career in corporate and commercial banking and am not sure why you’d need to know this.

“Business equity line of credit: Use Real Estate as Equity” up to $500k, interest only. gather your business and personal tax returns, financial statements, articles of incorporation and other legal documents.”Vectra Bank - ColoVeritex, Texas HELOCWAFD Bank.

This will give you the advantage of having a traditional lease that lenders are using to seeing and you'll also get some good feedback from your tenants that you can incorporate prior to having your first STR stay. 

With the 2 examples of what we feel confident in executing above, how could we incorporate our hard money lender and make it worth while for both parties?

They state that instead of collecting rent, then paying the bills, making repairs etc....that the home is incorporated into their larger portfolio, and you get a more passive monthly income for the property, which they manage, make repairs, find renters etc....It sounds basically like an UPReit of sorts.