I would suggest getting Dave Ramsey's book called The Total Money Makeover and read that.

The only other question I would suggest is that you do engage a property management company to review your quad and review your monthly financials.

Many months of costly vacancy, local market rent & resale deteriation, special assessments, property taxes and maintanance fees suggest a quick sale would have been the wise thing to do 2 years ago.

Any Gap funders you would suggest? 

Strongly suggest.

I suggest you check out Chad Griffiths and Jonathan Hayek.  

If you're looking for the all-in-one I'd go with a PM software (others have suggested some) and do what you can with it.Then, as you grow further, look at more sophisticated/expensive options.

Any suggestions would be greatly appreciated. 

Yes, i have ring cameras etc.Excellent suggestions. 

When deciding whether to sell or hold, I’d suggest framing it through two key lenses:1.