My wrist would suffer so much with a normal mouse and when I switched to an ergonomic one, it helped A LOT, especially being a writer and spending hours in front of my laptop.
Logitech Lift Vertical Wireless Ergonomic Mouse
For wrist-pain sufferers, you need a mouse and keyboard pad.
Everlasting Comfort Mouse Pad with Keyboard Wrist Rest
Different colored post its are very helpful when outlining/brainstorming, especially when there are more than one main characters.
Post-it® Super Sticky Notes, 3 in x 3 in, Energy Boost Collection, 5 Pads/Pack
I have one on my wall right above my desk to pin motivational words to encourage me to write when I’m feeling down. Or my outlining/writing plans. Works for so many things.
SKÅDIS Pegboard - white 30x22 "
My favorite pens ever. Multi-colored which is very convenient for writing different POVs and scenes!
Zebra Sarasa Clip Retractable Gel Ink Pens, Fine Point 0.5mm, Assorted colors, 20-Pack
I use mine for book titles/character names. It’s very useful for promotion on social media or just to display on your desk for motivation!