Yes im sure that there a high potential of become successful in holdinh cryptocurrencies. Imagine that you are just waiting and in the end your money profits a little by little. Then someday in the future you will be in a red hot lambo. They would plotting what you got.
Holding now will help you making so tremendous profit within the time span of 2 or 3 years. Whenever prices are going down, or they arent coming up so fast, it means good days are coming now. There are so many people earning from these bitcoins at daily, weekly and monthly or even yearly basis. So dont worry about prices, they always tends toward sky.
You are right everybody who trades in bitcoin will always benefit, daily, weekly, monthly, and yearly, all will benefit a wide range as long as they wait patiently until the value is high