When drawing with paper and pencil, rotating your page is second nature. Doing so allows your arm to more naturally draw challenging curves and straight lines. Why not work the same way in Photoshop? This video explores a personal favorite tool of mine: Rotate Canvas.
To follow along with the video, make sure to download your canvas rotation practice sheet. Also, this tool is a great candidate for a custom keyboard shortcut. Once you see how cool rotate canvas is, you'll want to use it a lot.