You'll find them in abundance at your local REI's.

Just a little something to mull over to help you achieve the "abundance" state of mind :-)Your question really has two parts that have completely different answers.

The wind whipped through the tar-paper shacks, but the shacks were abundant and cheap.

I hope to share what I come to learn as I begin this adventure as I have benefitted so greatly from the abundance of knowledge that the BP community brings together.Thanks for having me!

Even if the bargains are not abundant, I will find some.

I think the days of abundant, no-brainer cash flow deals on the MLS have come to an end.

Granted it's not as abundant as it was 3-4 years ago when you could buy livable 3br/1ba for under $35k any day of the week, but deals are still out there. 

There is an abundant supply of bread and butter 70% rule rehab properties to work with.This combination along with your stated 4% mortgage would lead me to one of two decisions:Rental Focus: Keep the mortgage.

With SFR there's an abundance of great deals but not finding too many great deals in class B/C MFH at the moment (except maybe in Toledo, OH but not sure I really wanna trust my long-term wealth to Toledo - not exactly a booming place)

It's an amazing place to gain an abundance of knowledge about REI!