CFD for the inexperienced?
Get a demo a/c and start messing around with it. That's what i did in the early days. Read, read, read and read about as much about CFD as possible. Then open another demo a/c and mess around some more.
You're going to learn much more about CFD with trying it out than someone here telling you about it. Stops, limits, order to open, etc are things that confused the heck out of me in the early stages.
Once you *think* you understand the concepts, open a real trading a/c with about $200 and start learning from first hand experience.
Not sure if IG Markets still has the Trade Sense program, but it allows traders to trade as little as $0.50c/point on the Aussie 200 Cash/Forward index. You'll be risking bugger all and it will be REAL money that you'll be learning with. If you lose all $200,... then you either didn't do enough "messing around". If you do lose some money, consider it as an education fee... formally or informally, you're going to pay for it.