If you wear glasses, try switching to night&day contact lenses. I don't know about others, but it's one of the things I most gladly spend extra money on. They're much, much more comfortable than glasses -- you just put them on and forget about your vision problems until you have to change them. There have been days when I had run out of contacts and had to wear glasses, and the experience was horrible compared to what I was used to.
VERY strongly seconding this. I wear contacts I can leave in for weeks at a time and it's fantastically better than glasses. You only need to take them in and out rarely compared to regularly contacts, and you never have to worry about dropping or breaking them. You can wear sunglasses or google glass or whatever with no problems, you can go out in the cold without them fogging up, you don't have to worry about them falling off your head if you do martial arts or a cartwheel, and if you have a strong prescription (my contacts are -9) contacts distort your ...
On ChrisHallquist's post extolling the virtues of money, the top comment is Eliezer pointing out the lack of concrete examples. Can anyone think of any? This is not just hypothetical: if I think your suggestion is good, I will try it (and report back on how it went)
I care about health, improving personal skills (particularly: programming, writing, people skills), gaining respect (particularly at work), and entertainment (these days: primarily books and computer games). If you think I should care about something else, feel free to suggest it.
I am early-twenties programmer living in San Francisco. In the interest of getting advice useful to more than one person, I'll omit further personal details.
Budget: $50/day
If your idea requires significant ongoing time commitment, that is a major negative.