Yes, interest rate impacts the cash flow...so what is the bottom line?...

Very small increases in your conversion rate at various stages can have huge effects on your bottom line.

So, the bottom line is that people who tell you to focus on houses that are in distress that have a lot of equity are trying to keep you doing busy work so they can get the profitable deals. ;-) 

I know that making repairs and adding neighborhood-friendly features is of principle importance for raising the value of single-family residences, while increasing cash flow is the bottom line for raising value on properties with 5+ units.

Vernon, from my personal experience, in any type of investment it comes down to the bottom dollar.

SF, SD, and Seattle take bottom three.What are your thoughts?

Bottom line- Don't dive in.

That is the bottom line.

I'm a 2% W2 income earner and on pace to be at the bottom of the 1% level on W2 income by the end of this year. 

This way you get it directly from the seller and not what the broker says or thinks.The bottom line is you need to be prepared to walk if you do not get the terms you are looking for.