Even with guaranteed rent, it's important to thoroughly vet applicants.

I  tried several time to request application to get my money back but never got it. 

Your comments are misguided, too specific to only one of your clients, not applicable to general investors and therefore not worth responding to. 

I like Seth Godin's (altMBA) approach where there are application, experience, and qualification requirements. 

You represent and warrant that you are not a person or entity barred from using the Airbnb Platform under the laws of the United States, your place of residence, or any other applicable jurisdiction.

I have an applicant who says she lived in the Dominican Republic prior to the 2 years she's been at her current address.

However, I haven't had a single application submitted for over two weeks.

Law is like jello, It bends with the argument and with the interpretation and application.

A friend of mine invested in one last year—apartments upstairs, a small coffee shop downstairs - and the combination of income streams made it a steady performer.Scaling with a 1031 Exchange:While not applicable unless you sell a property, planning for a 1031 exchange could help you scale quickly while avoiding capital gains taxes.

For the nuts and bolts and real-world applications, I would lean on forums like these and studying or talking with other successful investors.