Depends on how good your skill and how experienced you are with trading, if you got a good skill then you can earn in a day, but sometimes you need more than a month before you can earn profit, the most important to know what coins to buy and to trade
Depends also on your trading and risk apathy. Most successful traders are long- terms analysis trader. People that trade short-terms do loss all their risk capital to impatience and over trade but those That trade has a business mind to trading and plan long time to succeed.