Let's give an example of you bought 100 BTC at 9000$ Price and the price went 9010$ in seconds then you sold, so your profit will be 1000$, may 500$ fees, but the another 500$ you made it profit in seconds!
Let's discuss at the point!

This is certainly cool, but do not forget that Bitcoin is still a high-risk asset and you can lose a lot instead of making money. Let's remember the last example that gave us all a lesson in the month of March.