The truth is trading need plenty of money, if you use small money then expect to have little return and you will need the virtue of Patience to ensure that money grows from the little it is to a bigger amount. But if you want to make real profit then use a bigger amount and you will be satisfied with your returns. Furthermore, people who use smaller money blow their accounts faster than those with big money. People who have big money to trade can short in their capital, but they will always grow it back and move forward.
Both are strategies that we can apply in trading, it just depends on the character and knowledge of the trader himself. If trading on altcoins that have good fundamentals, it might be better to buy in large quantities because the profits obtained will be better even though the risk is the same. However, if you have not mastered the coin you want to trade, it is better to start with a small capital gradually, in other words using the DCA method.
Make no mistake, even though trading requires money, the amount of money we use for trading will affect our psychology and decisions in seeing market movements. So it is better to learn trading science well before using more money. Personally, many people use money without thinking only on bitcoin, besides that I think again if I make purchases on altcoins like ETH and BNB I don't use all the money I have.