How to use AI like a pro nowadays?

We all this and that AI but do we really know how to really utilize its full potential, intelligence and capabilities? For example, everyone knows about chatgpt, a fraction of them have used deepseek, a fraction of them have used cursor and so on.

So, people of reddit, share your techniques, cheat-tools, knowledge, etc, and enlighten us with an ability to use AI heavily to its maximum capabilities, intelligence in our daily lives for software development, startups, and similar.

Your response will be deeply appreciated.