If the market is growing very profitable to make short-term transactions, otherwise in a falling market, we can lose money using this strategy.
We can actually do this regardless of the market situation, buy it needs the right timing and you should be monitoring every movement of the coin you like to trade. One who want to be successful with day trading must focus on what he is doing because every movement is crucial and you should also be aware of the factors that can move the price, such as news and speculation.