Well, I believe that newbies must be on focus to gain knowledge first before doing anything like this trading. Probably they are eager to learn to trade for they believe that this helps them to improve their living, that be right, of course, but if this will be mismanaged big losses will also have come to them which is very common to newbies.
1. Position is the most important thing
2. Always set the profit/loss ratio above 1:1 (2:1, 3:1)
3. Always set stop loss below 10% of the account
4. Do not borrow, deposit too large (under 25X is safe)
5. Do not leave orders overnight
6. Adjust emotions when entering orders. If you lose, remove the other bets
And that they need to consider all of these tips and advice. This is not a simple tip that they will just ignore but this could help them to open their mindset in regards to having easy money in trading which is totally wrong. By simply following these tips, I'm for sure they could able appreciate trading more.