Select a broker that has strong regulations and a guarantee of asset protection.
Use strong money management to protect your investment capital.
It is better to have small profits over time, than to have massive losses at any time.
Trade smaller lot and unit sizes, you can always step additional tickets into your trade basket as the previous ones become profitable.
Lock in your profits using a break even SL.
Use REASONABLE stop loss levels.
Use REASONABLE take profit targets.
Do not allow your emotions to guide your trading.
Do not trade when sick, tired, intoxicated, or other wise not up to 100% performance.
Avoid taking deposit bonuses, there are generally stipulations to the acceptance of the bonus which could negatively impact your account.
These are just a few suggestions from my own rules.
Just my opinion of course.
If it looks too good to be true, it's probably a scam! Let the buyer beware.