Risk no more that you can afford to lose, and also risk enough so that a win is meaningful.
If you want to know everything about the market, go to the beach. Push and pull your hands with the waves. Some are bigger waves, some are smaller. But if you try to push the wave out when it's coming in, it'll never happen. The market is always right.
The idea of searching for some secret for trading success misses the point.
To avoid whipsaw losses, stop trading.
Be sensitive to subtle differences between 'intuition' and 'into wishing'.
Longevity is the key to success.