I told them this: My expertise is in real estate and I want to spend my time there.

I would start by finding a property with a kitchen in place instead of a full conversion from a different use.

Not sure if you could do 3 weeks rent, but you can do 2 weeks for sure as they were living there for that time. 

You would be pleasantly surprised what you find and that people are willing to teach and help for little to nothing if you're willing to be humble and offer some value for their time.

Operating Convenience Administration: Managing the LLC might be easier if it’s formed in the state where you reside, especially if you plan to handle administrative tasks yourself.

Any suggestions on when is the best time to set up a LLC, is it too late to get it after an offer is accepted? 

You requested a statement from the HOA and paid it in full at closing and have documentation that you are "paid in full" as of that date.

Detroit actually when I started there prices were higher than they are today.. then it crashed big time as we know.. and its crawling back but still not to 2002 levels.

I had to get a full time job just to stay a float.

I'm planning my second househack and this time I want more privacy and separation from the other tenant(s).