On a micro account, you can start trading with a little amount of capital, but on a demo account, only virtual money is used. One may select based on his needs.
In my opinion short selling is the best way to make money in a bear market. This strategy requires the selling of borrowed shares, which are subsequently repurchased at a discount within the same day.
Traders are more likely to experience depression usually after experiencing major losses. Personally, I seek out social support in my family and friends and this works for me.
Mentors can be a great help. Your time will be greatly reduced if you have a mentor and his/her experience can teach you a variety of useful trading suggestions and techniques.