Hi! Good to meet you and welcome to the world of miniature painting - an art that is both soul lifting and soul crushing lol
Great advice from the team already. I guess I can add that finding what satisfies your eyes is the most important. There are so many levels of painting and some truly incredible example of this art out there but like everyone has said already, to reach that level takes lots of time, practice and patience. So, just keep improving until you pick up that model and think, "Yeah, this looks good. I'm happy with it!" Like Primarch said, too, any painted mini is 1000 times more attractive on the table because painted equates to a model that has been brought to life.
How about searching Youtube for this: 'Things I wish I knew before starting to paint', or something like that. Here are two examples I found that could be of use.
https://www.youtube.com/watch?v=JzuEL3bhcn0
https://www.youtube.com/watch?v=ufP8ka3KGno
https://www.youtube.com/watch?v=WCWd1TPHZOw - Good to know how to save your brushes!
Two things before I sign off that may be of value (apologies if they have already been mentioned):
1. Buy a good set of brushes with different tip sizes and don't let paint dry on them, so rinse often.
2. When you paint faces, finish the eyes before painting the rest of the face, that way you can clean up mistakes a lot more easily. Interesting a vertical line for the eyeball can actually appear more realistic than a dot - just something I learned and apply to my miniatures.
Happy painting and remember, there is nothing that Simple Green can't eventually resolve! (I know from experience

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