The appealing aspect here is the ongoing population growth and other economic factors.

Way too much gambling/luck aspect to it and even when you win for the year the tax rate is awful compared to long term gains. 

I agree with the amenities aspect.

Her 6 years as a Property Manager have given her a deep understanding of all aspects of property management.

The qualified intermediary will also manage all of the funds during this transaction, so you want someone trustworthy and reliable in that aspect too. 

One of the most important aspects but its always a time consuming aspect that most put off and miss out....

If you have specific questions or need further guidance on any aspect, feel free to ask the community.

A family friend of theirs told me they probably net $200 Million a year from their parks.This example made me look at what they have done and what aspects can be replicated over and over again where you not only scale but with momentum.

Once you get closer to the median house price it's no longer worth the speculation aspect of it, like you mentioned. 

And, it's "Passive" by investment definition as your not involved in any of the day-2-day operational aspect's what so ever.