I drooled over those calculators when I started, I thought of it as my holy grail/secret weapon.. even took an early retirement overseas because of it.

I'm still not certain it could be done legally, but if so, I'm surprised at the pushback here for LL's to add one more weapon to their arsenal when dealing with delinquent tenants.

Kind of running in circles on this dilemma and would love to get your opinion on this.When using @Michael Blank 's calculator (which is a state of the art weapon) i see the "deposit to replacement reserve" line item in the EXPENSES box, but there is no CAPEX line item.

Besides carrying a gun, what would be the weapon of choice to have for the coming dog?

Anyone who fires a weapon out of anger should not own a firearm.

I just want to try out STR at some point because that will be my primary weapon of choice to get a place in Maui paid off by vacationers, and would rather have some experience doing it first.

That gets read into evidence, and the jury in the civil case looks at you and self-righteously decides to break you as a warning to all heedless, neglectful, negligent, arrogant young real estate investors.

I then release my secret weapon and give my wife a chance to win his wife over. 

They have nuclear weapons. 

Assault with a deadly weapon and shooting on an occupied dwelling tend to only happen in the worst.Having lived there for over 10 years location is definitely #1 as the neighborhood quality can change pretty quickly from street to street, so make sure you work with someone who really knows the area.Other than that, be sure to do your due diligence on the property itself as @Abraham Bar suggested.