Ask HN: What did you purchase that measurably improved your quality of life? | Hacker News

My best purchases that improved my quality of life significantly:

1. Kindle
2. Bose QC35
3. YouTube Premium
4. iPad Pro with keyboard
5. Nest Thermostats

And some fun toys that increased my enjoyment of life:

1. X100F
2. PS4

Source: Ask HN: What did you purchase that measurably improved your quality of life? | Hacker News