Question about a flux?

Thank you for a good intro. I have an additional questions.

I hear a lot about a flux. Do I really need it for first steps? How can I chose the right one? etc

randofo11 days ago

You don't need flux when just getting started with electronics. As your skills progress, then you will want to investigate flux more.

In terms of selecting one, I normally just go to Amazon and buy the cheapest one, as it typically does not matter too much for basic hobby electronics.