I’ve just found a great resource for beginning to paint at thoughtco.com.  Have a look at this article by Marion Boddy-Evans.  If you’ve got a question, you’re very very likely to find the answer here.  (be aware that the host site also covers different hobbies such as dangerous sports and gambling!)

https://www.thoughtco.com/aint-your-first-ever-painting-2578681

Questions answered:

What’s the difference between oils, acrylics or watercolours?

How can I buy materials at the start which aren’t hideously expensive but not cheap and cheerless so they give disappointing results?

When I go into a shop, I’m baffled by having to choose between “student” and “artist” quality paints – what’s the difference?

How do I mix paints?

Which brushes should I buy?

What can I paint on?

Where can I get ideas of what subject to paint as a beginner?

Any clues for how to layout (“compose”) a picture so that it looks well?

How do I hang my finished painting?