OKC has alot of opportunity mainly because of its low level of enforcement of housing codes, strong landlord laws and conservative judges in eviction court.

It is a bad idea to screen and then show homes with a smart lock code that I can change? 

My criteria is very strict.

Quote from @Nick Am: @Michael Plaks--> The SE taxes are STRICTLY NOT in addition. 

If not try a keyless entry situation that allows you add a temp code that will expire after the work is completed.

Or do I need to do it strictly as an investment property? 

As I said earlier, this is strictly for investment purposes.The property does not have to be turnkey, if there is room for improvement that's of no concern as we both have the skill set to invest in whatever upgrades are required.

Another huge thing to consider is laws and regulations, many times new investors will jump at Hudson county thinking the proximity to NYC is great for renting (which it is) but many of the municipalities in Hudson county have very strict landlord laws. 

(Had we rebuilt the original windows we would have been fine and wouldn't have had to bring them to current code.)

In New Hampshire, title laws are strict, so we couldn’t move forward without obtaining a signature from a living heir.The title company dug deep and eventually located a distant relative—a niece of the deceased owner, two generations removed.