NO. 1 RISK: TIME ISN'T NECESSARILY ON YOUR SIDE.
All options expire -- most at zero value. Unlike stock investing, time is not your friend when you're trading options. The closer an option gets to expiration, the faster the premium in the option deteriorates.
This deterioration is very rapid and accelerates in the final days before expiration. As an option investor, you should invest only a dollar amount that you are comfortable losing, because you may lose it all.
There are three things you can do to put time on your side: