Lets narrow this down a bit. I print a great deal, it’s my job. If you have specific questions I will do my best to assist you. Printing is not simple, but at the same time it’s not as difficult as people make it.
1- Turn your monitor down. Don’t expect to replicate what it can do. You can’t.
2- Icc profiles are a great place to start if you don’t have the ability to create custom profiles.
3- Breathe. It takes time. Learn it right. Learn it now, and save time and money later.
* Canvas is pure concentrated evil.