So your strategy is to buy when the price is low and sell when it is on top. It is one of the best strategy in any market and therefore, I bet you will earn a good amount of money
Never lose is daydream. It can never be fulfilled. You can only minimize it. That is a sad truth of investment
Buy low and sell high strategy is a good one but I want to ask whether which point are they considering low and which is high because if you don't have a clear guidelines then you will probably lose some opportunities to enter the market? Another question is what if it is your first on the market and many consider the current price high so what will be your decision when you want to enter the market.