This document provides 20 tips that can be accomplished in 20 minutes on a Mac. Some of the tips include how to batch print documents, display your iOS screen on your Mac, send directions to your iPhone, find hidden system files with Spotlight, show the library folder, control what launches at startup, enable offline dictation, set up call relay between your Mac and iPhone, perform site specific searches in Safari, send large files via email, lock your Mac automatically, enable automatic updates, display a message at login, never let your Mac sleep with Caffeine, automatically mount volumes at login, maximize your notebook battery life, browse securely with a VPN, quickly schedule appointments, and extend your menu bar.