It is just the same to me. If you are earning bitcoin, then you are just investing your time in it. If you buy, you invest your money. Both are important. It is true that bitcoin prices fluctuate and that you can buy at a lower or higher price, but if you are for bitcoin investment, then the price now does not matter because in the future it can be higher. But if for spending, then it is important to buy on dips.
Yeah true. That is trading buy bitcoin in small price and sell it if the price rises and earn But you are investing you time and money on it because you are buying a coin not only in bitcoin but also in other coin. But in the future price will be up and higher because of there are lot of users in bitcoin