Thanks for sharing this. I actually unsubscribed from askreddit because it tends to be more entertaining than informative.
Some of the suggestions I could have guessed, just based on what people tend to get snooty about: coffee, headphones, beer. They are all ripe for hedonic adaptation. I'm happy to keep drinking my watery Folgers coffee, because if I experimented and tried to cultivate "better" taste in coffee, I wouldn't end up happier long term.
The best comment in my opinion was:
"I have heard this metaphor about how if you live in the sewer and don't know there is a way better world above you, you don't really feel like your life sucks either. So as a student I don't know if I really wanna read this thread."
There were definitely a few suggestions I would agree with, like shoes. But that doesn't mean I won't try to find reasonably good deals on them.