I'm not sure I would get to cute trying to squeeze every time out of it now with a lease that might cause you issues in the future, but the scenario you describe is common and probably smart. 

Hey guys,  Im thinking of shifting my traditional checking/saving account and mortgage to a manulife one account which my broker has suggested so I can be ready to pounce on a house and properly conduct the yellow letter direct marketing offering cash when they want it. 

Quote from @John Warren: @Delroy Watson I would check to see if you can do this the "right" way and make it an ADU.

I do understand that the answer likely varies depending on location - this is in a very nice suburb of Philadelphia. 

Collin, you knocked it out of the park!

But post locally for this.

@Daniel Vo, sent you a message but I am proof that you can start in your late 30's and figure this all out while still serving and setting yourself up to grow even more when you retire from the military.

If you don't have appreciation capex will wipe out your cash flow. 

Have you checked with an SEC attorney to make sure you know how to legally raise money? 

To check the proof in the pudding: look at Avantstay's host ratings on Airbnb or other platforms.