DCA is a strategy of investment, this approach is favored by those who have a regular investment budget. They will accumulate bitcoins over time for long-term plans, so buying DCA will give them the opportunity to buy at a lower average price.

Investment management basically must involve your knowledge and ability to analyze investment instruments. You must know what bitcoin is, what your investment goals are, how to consider the risks and also need an evaluation. So if you speak in general, then management is clearly needed in investing, while specifically there are many managements that you need to master including capital management, risk management and so on.