As a newbie in crypto what are the things to do and not to do that will make me attain to the level of being confident and reliable on the decision I make.
Don't really know where to start but hopefully I will with your help.
What are your goals as a newbie? I'm sure it is not only about being confident. Get knowledge & experience should be the priority, right?
So, make a clear plan for your goals, then you can determine your success as a newbie. Don't make a nonsense goal such as being rich instantly or the like, your goals must be appropriate things to be achieved as a newbie.
You shouldn't be confused about where to start. You can start by reading pinned threads in this section, there are some important suggestions you can find out on the threads. Especially this thread
https://bitcointalk.org/index.php?topic=1689727.0, it is like a guide for every newbie. You must need it, dude!!