An ITIN is often required for tax purposes when earning rental income in the US as a non-resident.Please feel free to PM me with any questions. 

That would free you up to do more prospecting and more deals.

So far I’ve just been doing free posting, no paid marketing.

If I could deploy the same amount of up front cost to purchase an up and running portfolio.My calculations tell me that I can be cash flowing much more if I spend the money on a portfolio or complex.

At this time I manage and renovate majority of all my units to keep cost low but most likely not the best use of my time although I'm skilled at it.

For example, with 5% inflation, a $100 basket of goods today will cost $162 in ten years.

Most sellers are going to want 20-25% down as it’s going to cost them 10% to sell.

He has a free YouTube channel and a Facebook group as well.

You'll spend some time watching the videos and in return you will get some free education. 

If one tenant has been in there for that long, there will also be some serious capex and turnover costs.