There was a great "dumbest thing" thread that got alot of response.. so let's do the opposite... What is the Smartest thing you ever did Trading..... for me I have to say learning to exit trades.. either with a manageable loss or a profit. I had this nasty habit of just not getting out.. okay let's hear it..
Don’t try making money for a while after you start. Just concentrate on not losing too much until you start to actually know what is going on. Most people are long gone before they ever have a clue