Tax treatment on short term stuff is an issue. 

Be careful if the actual contract has any terms about assignment or allows their private access to the home before closing, as many "cash" buyers out there try to tie up your house for a low figure, then sell it higher to someone else before they decide to close it with you. 

Quote from @Steven Gesis:   Brian, I read an article in Bloomberg the whole premise of the business plan for a particular operator was a "double pop" and a short-term fix and flip strategy all focused on high velocity  multiple refinance events, floating adjsutable rate and the hope and faith of continued rent growth coupled with low interest rates in multifamily -   I wonder how this is working out for them now.

What do I need to do in terms of remodeling and permits?

I have begun reading David Greene's Long-Term Real Estate Investing to ensure I do this properly.What types of data should I be looking at before choosing a market for mid-term rentals?

Together, we negotiated favorable terms with the seller, ensuring a beneficial deal.

Long/medium/short term rental?

Together, we negotiated favorable terms with the seller, ensuring a beneficial deal.

This is not turnkey management long term as well.

Together, we negotiated favorable terms with the seller, ensuring a beneficial deal.