This larger "seed money" is the new base seed money, that you will never spend...just use forever. 

My initial research seems to point to investing in 1 larger property for more cash out of state is better than buying multiple  cheap small places in questionable areas.

While I am not a STR guru, I do have long-term rentals and I would consider allowing a STR sub-lease for a premium on rent or larger deposit.

APartments.com is typically used for larger properties, but you can occasionally find small properties listed there too.As for expenses, when you find a property you like, ask the listing agent for a detailed P&L and rent roll.  

I would not suggest this generic strategy for a larger park, parks with a lot of park owned homes, or parks that need a lot of work.For value-add parks with vacant park owned homes, vacant spaces, and one that may have been previously poorly managed and in need of a lot of work, the generic strategy above will not likely allow you to move the needle much.

Does it benefit you to find a "compatible" Realtor to handle the sometimes time consuming tasks to get a transaction done, or you spend time doing it yourself with your own license? 

Anyone successfully permit two Ohanas on a larger lot?

You should see some efficiencies of scale with a larger property.I'd be more comfortable with 8% vacancy.What's the $200 electric bill for?

If they try to stay in your unit without utilities, you have much larger problems that ought to have been addressed before they ever received keys!!!

Larger properties are all about NOI and CAP rate so you need to determine your return requirements and what you're willing to pay then you analyze and scrutinize all of the income and expenses to validate the NOI.