See, I don't really like Trader Joe's.  

Thus traders borrow the yen to and buy the aussie dollar to profit from appreciation and the interest spread.

Traders DeliNYCanton DeliNYCanton to goDeli on the Square

I like the Japanese Maple miniature as it wont grow but will add a nice reddish maple color.

This is a brokerage activity.The timing between note transactions can take a note holder from "investing" to brokering, by churning accounts, buying and selling as they might as a day trader in stocks.

"There's no rule of thumb that says: Buy three houses, you'll get capital gains; buy five and you're a dealer-trader.

I don't have a whole lot of insight into the market there, but in general, anywhere a Wegmans or Trader Joes or the like pops up, I tend to think of it as a positive sign for an area.

Are their any exchanges where you can trade real estate derivatives to capture price variations outside the stock market? 

However, this is obviously a grey area and it's why the IRS has special tax rules for day traders of stock and real estate professionals.  

Why  well Dad is Japanese was a Billionaire got hammered int the Japanese melt down of mid 90s' and instructed the family and family trust that if you pay cash U can't lose your properties.. so thats what they have done all these years.. and you really can't argue with that if you have the cash and don't care about leverage.. thats the long term safe play.