Hello Faris,Any book published by Bigger Pockets is a great start. 

Take a look at BP's blog where new articles are published every day: https://www.biggerpockets.com/blog4.

Take a look at BP's blog where new articles are published every day: https://www.biggerpockets.com/blog4.

Take a look at BP's blog where new articles are published every day: https://www.biggerpockets.com/blog4.

Their explanation is that the numbers I'm seeing come from sources that only use data that is reported to them by realtors who choose to list rentals there for example and that most management companies like them will not publish their actual rents so their numbers are based on their own comps which are more accurate. 

Case Shiller used to publish stats on total return for residential RE for this century.  

Take a look at BP's blog where new articles are published every day: https://www.biggerpockets.com/blog4.

Take a look at BP's blog where new articles are published every day: https://www.biggerpockets.com/blog4.

One of the main scenarios where it does in fact make sense is your example - it might be negatively cash flowing in year 1 - but start cash flowing positively in years 2, 3 and then down the road years 5, 6, 7 (all the way to 30 is technically possible if no refi or sale) the DSCR can explode quite a bit higherAlso sharing links here to 11 articles published here on BiggerPockets all about DSCR Loans, hope these help as well!

Take a look at BP's blog where new articles are published every day: https://www.biggerpockets.com/blog4.