Excel - Never use the mouse
I spend a lot of time building models on Excel. I have 4 rules that help me get things done fast. Never use the mouse. The keyboard is much faster. Never type in data. You can always import it. Avoid manual labour. Use Excel to automate the task. Make your data visually obvious. Let’s look at Rule #1: Never use the mouse. Using the keyboard can be 10 times faster than the mouse. It takes time to move one hand from the keyboard to the mouse, locate the item you want to click at, move the mouse there, adjust it finely so it’s pointing at the exact spot, and then click it. For example, to insert text without formatting, I’d just go Alt-E, S, enter. It takes half a second. It took me 5 seconds with a mouse. (I timed 10 continuous attempts in both cases.) ...