Or taping plastic sheets up as a vapor barrier?

I paid for their experience, guidance, and access to their credentials/reputation.

This is a reputable company that I found through Bigger Pockets, so what am I missing?

I can’t see charging only $6.50 if an inspector is going out, but maybe it is to encourage permitting because the city has gotten a bad reputation for holding up projects.  

I'd also be wary of the parks existing reputation, it may be why it's so empty, and a big hurdle to overcome.

Also, using a reputable Title Company will ensure that your property is delivered with clear title.  

Before you buy, check city's section 8 reputation by talking with other owners. 

Can anyone recommend a reputable property management company operating on Long Island, NY?

How much of the pie makes it worth your time, and more importantly, the risk to your reputation if your partners screw this up? 

That credit rating and reputation will be vital for you.Then, I'd look for an area in the State I'm most familiar with which is no more than 3 hours from my home and which has the least restrictive planning and zoning regulations.