cash flow with $4k rent finance via refi (cheapest fixed rate available, maximizes COC) using 50% rule places the cash flow at $348/month that we will use $350.Note at $3.5 k rent same criteria, $3500 - $1632 -  1750 is only $118/month.  

An estoppel certificate fixes this problem.

Most of our investments we look at IRR (time value of money) to determine which investment is a good fit for us at this time - which factors in returns, risk and time of investment - is it a short term investment we want to get appreciation play or long term fixed income investment.

I have 30-year fixed rate loans on all rental properties. 

There used to be legions of stockbrokers, and then in 1975, the SEC cracked down on commission-fixing.

This shock factor often leads them to question what other elements of the house may need updating, even if the paint is a relatively easy fix.

I'm a first-time fix-and-flipper considering working with Investor's Edge.

Once my tenant issue is fixed and I'm ready to re-rent, I may go with Alliance Wealth Builders (found them through Real Wealth Network). 

So translate this into a language that is easier to process.You made a mistake and turned left.In order to FIX your mistake they are telling you to... check this out....

If you plan on keeping it a long time I may wait to fix it but if its something you would consider selling in the next 5 years I would get it fixed as going to sell it you will need to repair it and costs to fix this are not gonna get cheaper as time moves on.