The idea of day trading is not alien to those interested in financial markets. It is a method where traders buy and sell a position within the same trading day, aiming to gain from small market moves.

But what exactly does day trading involve? Simply put, day trading refers to the quick buying and selling of securities over the course of a single trading day. The aim is to profit from minimal market variances.

An important perks of day trading is the potential for fast returns. As a day trader, you're consistently on the lookout for opportunities to make the most of small price shifts. Another advantage of day trading is that it can be done from almost anywhere, as long as you have an internet-connected device and a stable internet connection.

However, it's also crucial to mention that day trading comes with its dangers. The same quick market fluctuations that can make earnings can also cause losses. Thus, it requires a good deal of expertise, discipline, and tactics to be successful.

So, how can one become profitable in day trading? Let's outline some key tactics:

1. Initiate with a Solid Trading Plan: An explicit trading strategy can act as your guide to achieving profit.

2. Utilize Technology: Efficient day traders leverage the latest technology tools for understanding market patterns and making informed trading decisions.

3. Keep Emotions in Check: It is crucial to hold onto a disciplined and rational approach to prevent reckless decisions driven by emotions.

4. Diversify Investment: Spreading investments across various industries helps to mitigate the risk.

5. Keep Learning: Even successful traders regularly improve about the emerging market patterns and trends.

In summary, day trading offers an exciting way to get involved with the financial markets. But, it requires diligence, expertise, and a consistent trading plan to achieve success. Always recall that while the rewards can be substantial, so too can be the possible losses. Therefore, it's advisable to approach day trading with a day trading considered mindset and the readiness to improve. Happy trading!