So if you plan to take cash out and not "Sell or take more cash out" in (X) years.

Is there any website i can use to find a floor plan of an existing house even if i dont  own it?

Nothing kills a deal more than poor planning when it comes to financing. 

Outline a business plan, put up investment criteria, creating financial system and invent property management practices.

Planning to talk to owner.

We plan to do a cash out refinance and keep this as a long term hold.

And plan to hold it forever, even if they outlaw STR.

This is your first property and you plan to live there? 

Presently inhabited by tenants with plans to eject them if necessary.

Professionally, I have study and working experience in the German Taxation Laws and know that Taxation is a crucial and vital aspect in any business in any country.I already have property here in Germany and currently planning to expand to Dubai and Miami USA.