At the heart of effective property management lies the ability to balance the competing interests of three critical stakeholders: owners, tenants, and vendors.

Talk to friends and neighbors and ask them who do they know that wants to be in the area.I think you can find someone to wrap your mortgage to at or just above your loan balance and maybe a point or two higher than your mortgage.

What are the density requirements?

Most lenders who order appraisals are required to order them through a 3rd party AMC, which can add additional costs to the appraisal but ensures that there is no lender (Or borrower) bias in regards to the values.

Pretty,  as others have stated here, the permitting process through the City of Cape Coral has been hindered by their ability to scale up their staff to handle the massive demands for all permitting including new construction but also anything else that requires a permit, home improvements, sea walls, alternative sea walls, pools and more.From your post, I can see that you are frustrated, and I believe some of that is due to not understanding the steps and processes of new construction, including what must be done prior to submitting permits.

That is often a matter of opinion and will depend on the attitude of your municipality.Most municipalities do not require neighborhood approval, but will offer the public opportunities to provide input which will be considered.

DSCR loans generally require 20-25% down.

What documents do they require, what credit scores do they allow, how do they verify previous rental history, etc.?

Sometimes, buying an existing property can be more cost-effective and less time-consuming and maybe require slightly less permits, etc. 

The City could also require solar power.