You will need at least five years experience to be a good trader or find an experienced person to mentor you. Trading is like anything else it takes time to learn.
New self traders usually apply the wrong position sizing to their trades. Lot sizing should be determined by current risk capital and market volatility or other similar methods.
New self traders usually don't start with enough trading capital. Don't believe what you read on Facebook and Twitter you can't start with $500 or $1,000. It is very rare to turn only $1,000 into something substantial.
Understanding Stock Market Index Trading
If you would like to know more about trading index futures, please read the following article: