What is the best/safest way to reinstall Homebrew?

Question

I am getting issues with permissions in Homebrew: After I installed Node and tried to install npm using the curl command Homebrew tells you to use, it would fail due to EACC

Answer 1

Try running the command brew doctor and let us know what sort of output you get

edit: And to answer the title question, this is from their FAQ :

Homebrew doesn’t write files outside its prefix. So generally you can just rm -rf the folder you installed it in.

So following that up with a clean re-install (following their latest recommended steps) should be your best bet.