For every dollar put in, the deal is designed to generate the equity multiple dollars out.

If that baseline average is an acceptable figure, then go a few notches up from there with your design and amenities and you should do well. 

Look for the Certified Cost Segregation Professional (CCSP) designation, which indicates certification by the American Society of Cost Segregation Professionals (ASCSP).

BiggerPockets is full of resources designed to help you along your journey, whether you are just getting started or a seasoned investor.

In contrast, STRs work this way intentionally, by design. 

A well-designed and updated kitchen.

They occupy a property 60-70% of the time , nights booked per year and are not in the property most of time while on vacation.Set your mind at ease by triple net leasing your property( leasing company pays for furniture, RE taxes, insurance and interior maintenance.)

Those landlords had best take some time out to study the law.When a landlord implements standards which are designed to eliminate certain aspects of risk, such as minimum income levels and credit scores, and those standards are equally applied to all applicants it is not discrimination or illegal.

I can also count on 1 hand the number of tiny home designs I've seen that don't look like repurposed tough sheds and/or have awkward dimensions.

In your contract/leases have you noted the right to have interior inspection?