No experience with Fairmount, but after a quick web search, they don't look any different than any other DSCR lender... which means they aren't special.Are you working with a broker? 

QuickBooks - like most accounting/financial tools - is a Garbage In/Garbage Out scenario. 

Schedule social media posts using tools like Hootsuite and manage your tasks using project management tools like Asana.

I have been in the search of lenders with low or no minimums for purchase/ refi. 

Consider hiring a property manager next time if not just because they have the tools and processes to reduce the risk of this and move quickly to execute on a problem.

You can, ofc, record the depreciation once taken so the books are accurate, but it's a lousy tool for figuring out what the depreciation should be (or, providing your accountant with the relevant info so they can do it).What tools is everyone using for this?

BP has various tools to help you analyze your deals (rentals, flips, wholesale, etc). : https://www.biggerpockets.com/investment-calculators7.

BP has various tools to help you analyze your deals (rentals, flips, wholesale, etc). : https://www.biggerpockets.com/investment-calculators7.

@Rick Bevilacqua - you conduct a judgment search to attempt to discover those sorts of things. 

Houses are still selling as hot cakes with 30 days on market if priced properly and inventory that has been the same for the last 8 months (new in, old out), so be ready to be very clear on where to focus your search.