In any case, we agreed to break the lease in exchange for forfeiting the security deposit.

I think inflation will still remain high in Argentina and the peso will continue to deval in the next few years...but, with the upcoming elections in the fall, many are predicting the release of many currency restrictions which prevent firms and individuals from exchanging local currency for USD and remitting back to the states.

Series LLCs, such as those available in Delaware, are interesting, but you must then register the company as a foreign entity doing business in MA, which costs the same as creating a MA entity. 

Instead of diving in to the first one do you think it would be advantageous to take my money and invest it with a more experienced renter/flipper and see if they would be willing to show me the ropes in exchange for the capital?

As a Canadian (read foreign national) I have read and understand that many (most?)

I try to exchange as much information as possible early on, so that I can get an idea if there's a fit for my next project (whatever that is).

However, you have to be prepared for an angel investors to demand a high return in exchange for their investment.

If you're going to do deals outside your state you will need to look at registering with the SEC/US Security and Exchange Commission to protect your self.

I have talked to several banks that do lend to foreign investors, but good credit is essential and each one that I talked to also wanted a larger down payment.

Out east is a whole nother kettle of fish.Not buying ski in ski out condo's at Silverstar BC for 29k Canadian  when the exchange rate was almost 60/40 to our favor... those things sky rocketed in value.To many F ups with mom and pop contractors to talk about...