@Cody Stone has some great points. 

Sorry for taking so long, but my point is, nothing is written in stone.

That includes my tax dollar.The day that a person's future is set in stone by their past is the day that everyone can be declared looney.How many stop signs and red lights have you ran in your life? 

The deposit number is not set in stone.

@Matt Higgins Hey Matt, Sweet, not only am I stone cold vermin assassin, but, I won BP for the day!

The quarterly inspection is not for all properties for all time, it's simply a stepping stone to ensure we're all good on this large investment. 

It comes in a wide variety of wood tones and now they’re starting to make it available with stone looks as well.

It's like throwing stones into an ocean.

My ultimate goal is to create passive income as a buy and hold investor.As of this very moment, my goals are not set in stone. - I do not have a target date (I’m currently here on a 5 year working visa which should be extended in future, and I am hoping getting into RE will help me when applying for a green card or if I will need to get the green card before I can get into RE), - and I am yet to select a location to begin building my portfolio (SoCal is priced quite high and I’m not sure it is a wise decision for buying my first property.

Sounds like you could be buying a load of trash talk to be a birddog.My comments are based on your presentation of the methods or strategies to be employed, if they are correct my comments are cast in stone, if I'm under some misconception, please explain and we can address any issues.Good luck!