I mean its easy to get a few hundred dollars more a month by ignoring red flags on tenants not having 3x's the rent in income, or having major red flags with regards to evictions, bad credit, etc.

On the outset CAGR ignores volatility and simply assumes a linear growth rate within a dynamic system.

If he complies, the Landlord will use the deposit to cover the damages and ignore the rest.

Hello BP,Excuse my ignorance, because I do mostly single family rental investing. 

Long story short, make sure you buy in an area where the neighborhood is improving and continually keep your properties in good condition and you will have much fewer issues than if you ignore them.  

All I know about the market is what I read on BP, so forgive my ignorance, genuinely asking to learn something.Looks like a good investment, congratulations!

If you are close on your DTI metrics maybe one bank will be a little more flexible than another (I've seen 43% vs. 45% on this type of a product before) but no one is going to able to ignore the debt payments to help  you qualify for it. 

If someone posts long post that is all one paragraph I ignore it. 

When a homeowner receives your direct mail for the first time, chances are they will ignore it but when you keep on sending direct mails to the same list of people then you're creating brand awareness and building trusts which are the key factors of any business.Also, handwritten letters will not increase the response rate rather you can use a handwritten font. 

At the same time, don't ignore the fact that market has shifted and sellers who were asking too much are still sitting there...if the numbers add up, you may just have been persistent and caught the sellers at a point where getting out from under the pain of the property is worth more to them than the price.