An article on Biggerpockets by Anthony Greer, published this year, https://www.biggerpockets.com/blog/how-to-calculate-roi-on-a-rental-property, presents a different take on NOI calculation.

Pursuing Section 8 rentals & tenants is a TOOL, not a strategy - despite whatever the self-appointed "gurus" publish online.Section 8 comes with it's own unique problems which many newbies don't take the time to understand.You can PM us if you want to discuss further.

Hi - you've come to the right place - see below for a comprehensive 10-part article series on published here on BiggerPockets last year on everything you need to know on DSCR Loans!

I want to have my own license moving forward, and there's not much information on the web on how to do this. 

You will learn a lot more, a lot more quickly, and a lot more reliably, than chipping away on a web forum where half-questions and half-answers seem to dominate - just the nature/drawback of the format.

Eventually I want to do everything through a web portal but I'm not there yet. 

Furnished Finder also publishes stats.

When I started I read The Book On Flipping Houses by J ScottThe Book On Rehab Costs by J Scott (the values used in this book are way outdated unless they have issued a new edition but will help you by knowing what questions to ask)Flip by Rick ViallaniThe Millionaire Real Estate Investor by Gary KellerI started in 2016 - I’m sure there have been some more books published since then but these will get you started. 3.

I can't seem to find any advice on the web regarding this set up.

Lots of information about insurance coverage for lenders within the book I co-authored - Lend to Live: Earn Hassle-Free Passive Income in Real Estate with Private Money Lending published by BiggerPockets.