The bigger the risk, the bigger the gain. If anybody is afraid of losing then put the money in a bank or in a vault no risk no gain. Take the risk if you succeed you will be happy if you lose you will become wise. it's a win win situation. But offcourse it defends on how you absorb the situation.
Yes you are right, the profit will be still always depending on how much capital you have been used but still the situation in the market will affect the price value of your coins.