Tips and Tricks/Best Practices

I was wondering if anyone had some tips and tricks, together with some best practices when using grass hopper?

It would be great to have a place to go to view such topics.

For instance;

When to use receivers

Good practice for readabilityt for components

How to annotate and orientate large sections of components

When to bake and when not to bake

Perfromance issues and how to improve performance

Possibel to refrenence components from an external grasshopper document?

cheers