@Guillaume Vidallet no matter what state you create an LLC in, all other states will require you to register any LLC that does business in their state.So, you buy a rental in Michigan and place in an LLC, you'll have to register that LLC in Michigan. 

It can work but requires some finesse. 

Although Philadelphia is only requiring you to get General Liabilty, I think you have a bigger exposure to Professional Liability (E&O) insurance. 

•Work with portfolio lenders who only require a 20% down payment (you’ll leverage credit for this).

You must give notice before entering, but you do not require permission.Any time I expect a response from someone, I include a deadline for their response and a consequence if they fail.

@Karl Kauper with a SF you can require the tenant to take care of lawn and snow, but they might not be up to your standards. 

It doesn't mention requiring paper receipts at all.

Quote from @JD Martin: Quote from @John Underwood: Quote from @Collin Hays: Quote from @John Underwood: Require travel insurance that you can make a claim on? 

I am glad because the permits and requirements would have much tougher.

I am not trying to brag about anything but helping new hosts to see that there have been changes that require our attention.