- Why is gross rent multiplier important?

It is a gross rent multiplier not net ad does not account for debt. 

It's absolutely true that condition and finishes can make dramatic differences in the multiplier.  

This is how much your CF will drop per month.4 - Multiply this number times 12 to give you your CF drop per year.Here comes your answer...5 - Divide the number from Step #2 by the number from Step #4. 

Gross rent multiplier, if I understand it right could give me pretty good value on the building.

If there is an issue on your credit-worthiness side (which, THERE IS if you are hearing "no" from multiple different lenders) then you'd be wise to get that figured out before you spend much more time applying at different places.Be well and an multiply!

It doesn't have to be a lot because you're freeing up an under performing portfolio to do the heavy work of multiplying wealth. 

I got the $3400 from multiplying your gross monthly rent by two to get $3400.

Only problem is I’ll be newly married and my wife won’t want to move more than a couple times and absolutely no room mates in the same direct area.Or I could use my savings to find the right deal to live in flip and house hack for 2 years to hopefully multiply the month put in?

@Betty Cruz - Thanks for your insight.I re-ran my numbers and used tax amounts based on the tax rate multiplied by the price I'm offering, and the projected ARV after I do some renovations.