You can always buy a third set and install it, and then use the one you bought previously as a spare and rotate them through different units on turnover.

We rekey if Kwikset or rotate the locks from a large batch used across various properties.

You can rehab the units on a rotating basis.

The Hampton Inn we stayed at had 8 pools. 2 reg pools on the outside with 2 lazy rivers on each side and then 2 more pools with 2 whirpools on each side.The only thing I didn't like was the hot breakfast the day we left could have been much better.We went on the Sky Wheel at the beach that is enclosed like the rotating wheel in England.

I worked  for this company for three and a half years in a compliance related role due to a company rotational program. 

Where utilizing them and having a deal fall sour can strain the relationship you have with them.Really, both have pros and cons.  

Also, the rotating numbers for security are nice.

Real estate takes constant managing due to maintenance, conflicts with neighbors, and tenant rotation.

However, it's important to have a clear timeline and understand the risks involved.Can you sustain the negative cash flow without straining your finances?

Any non-caged animals must be fenced by the renter(s) and must be paddock shifted (rotationally grazed) according to a prewritten plan presented to and agreed to, by landlord.