That does seem to help but most self-managers just use the 2 OTA without a PMS. 

Hire a sober house manager who has significant clean time.

What is the value add to the builder for his time, management, experience, subs, etc.?  

We've been managing our properties for 2 years now and been doing a lot of the work ourselves to save money, such as yard maintenance, cleaning, unit flips, etc.

The property is being sold as-is / cash only by the management/Hoa of the development.

We use Guesty to manage 40 units and it's the best we've found.

In my nearly 20 years of representing landlords and property management companies, I have advised against allowing tenants to perform services for the landlord in exchange for rent reduction.

Does anyone have a recommendation for a good property manager in Wilkes Barre, PA?

I recommend you spend some time searching for advice in the forums or around the internet and learn how to manage roommates.

Any good property management groups in Daytona Beach?