What was your best purchase?

A keyboard: https://massdrop-s3.imgix.net/product-images/the-key-company-tkc1800-mechanical-keyboard-kit/FP/ukYPnSQCS4m2XTs4b2HM_NDVyWAnT7qyynmBGRaiA_PC.png

I bought it as a kit directly from The Key Company. It’s a modernized version of the Cherry 1800 and it runs QMK. I have Box Pinks in mine at the moment.

Mechanical keyboard