@Jon Kepler I'm not opposed to using leverage. But I've always considered debt to be used as last resort (as opposed to first resort).
This obviously kept me out of expensive domestic markets such as Vancouver and Toronto. And also the reason I didn't start investing in real estate until 2010.
However, when the US went through the Great Recession, I found that I didn't need mortgages to buy the inventory in PHX. Condos and detached homes in "B" areas were the same price as an SUV.
All I had to do was throw bids on short sale properties and wait. In 2010 and 2011 there wasn't much competition. So I got properties by default.
As I picked up easily cash flowing properties in PHX (at prices less than replacement value), money started coming in monthly. With every additional property my monthly cash flow increased. Soon I found myself funding purchases from cash flow. Like a tiny snowball.
I'm sure that if I keep going on this path I'll need to seek a lender. Time will tell.
NB: I am originally a stock market investor. I came to real estate late because real estate seemed expensive to me. My grubstake came from the tech meltdown of 2002.