Nice tips you got there but I think your tips are lacking something. One of the most common mistake a newbie does is to invest in only one coin which in the end leads to loss if that certain coin does not perform well. That being said, you should have had included there this: "diversify your investments. Never invest in one coin only and always remember to not put all your eggs in one basket".
That's right, but if there is one very important factor that a beginner must remember, that is, "Knowledge is power." I say that because it's hard to venture in this market with the attitude of just winging it. All ventures should be done with diligence and care, and that could only be pulled off if you have the right knowledge that you could use as a tool to give you more chances of being successful.