Though you will not edit at the speed of light, you can probably still edit at the speed of a train. SuperMemo: You often need to highlight for extraction, cloze, fluff-text deletion, etc.
Win+V to have up to 25 clipboard items pasteable at once
Win+. to never have to Google Search emojis again
Sometimes there are underlined letters in menus. In menus with text boxes, or in the main menu, you need to press Alt+The Underlined Letter. Otherwise, you press the underlined letter directly
In settings you can enable an option that lets you use the number pad
to move the mouse. (Search "Number ", click and enable it)
Fun facts: + (number pad) acts as Double-Click, allowing you to select a
word instantly (useful for SuperMemo cloze deletions)
Shift+Arrows: Select letter by letter, line by line.
Ctrl+Shift+Arrows: Select word by word, or paragraph by paragraph
No more dragging! Click the starting point, then Shift+Click the end point. This works in many places, but is holy for text editing! Wow!