it is very difficult nowadays to benefit from short-term trading,. even a 15% / day profit becomes impossible for the current price situation..
there may be some trading strategies that you can suggest here. bittrex is the place for me to trade
1. what coins you use for short-term trading
2. what time do you usually trade
3. how much profit you can with your strategy (profit / day)
I usually do not have short-term investments, but I often hear my friends setting a goal of 5% profit every day. Sometimes it becomes a difficult thing to do, so I think 15% is too high for daily profit. With short-term investment I think you do not need to spend too much time, several hours a day, you can do it easily.