@Shaun MorganShaun,  Some generals numbers for you; 2% rule (search the millions of hits on any search engine), Return on Investment (ROI), Cash on Cash returnCome up with a standard for these any other other number you can calculate.  

@Anita Muhammad not sure what CLUELESS book you are reading, but short answer to your question, YES. buy, refi buy more , do again and again. .Rentals provide freedom. good luck 

I am reading a Robert Irwin book which suggests buying a home every 1-2 years as your primary residence, and renting out the previous residences as investments.

While I was also going to get a CPA to help me with this, would I benefit from the, "Tax Strategies for the Savvy Real Estate Investor" book when I am looking at international properties or is it geared towards only domestic properties?

Post a trespassing notice just like you would a standard 3 day notice, which you can find off of Google.

I am reading a Robert Irwin book which suggests buying a home every 1-2 years as your primary residence, and renting out the previous residences as investments.

I'm definitely not in a hurry, so I will likely be spending the next few months reading books and visiting properties before I make any major commitments.

Is it a standard for all apartment owners?

Been reading numerous personal finance books and lurking BP for a few months now, but the savings are finally shaping up, so I've decided to take it more seriously :) I'm a recent college grad from the bay area who's been in industry for about 1-2 years now and I'm really interested in setting up a positive, reliable cashflow for myself to reach financial independence.

Can we Non Resident Aliens use Standard Deduction now, as it is the only one left and in theory it should group the old Personal Exemption?