I recommend you check this:

https://developers.google.com/machine-learning/crash-course/prereqs-and-prework

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In theory, it's possible to achieve amazing things by just doing it every day, but it takes passion (for example the sentdex channel or Yannic Kilcher channel)

And judging by the comments people prefer to just daydream about the IA instead of getting involved

Don't get demotivated by people saying that you need a fortune or a Ph.D., I can't do it because I have a lot of other things going on but I would love to try when I get spare time