I think the largest component of it is spending all of my free time online rather than going out for adventures. Such excursions often end up costing quite a bit, and so long as my interests are occupied by free internet, I don't get any urge to buy "stuff". Also, my taxes are lower due to the large amount of my donations.
I allow myself to splurge when my money builds up, typically on Projects that keep me deeply interested in a whole new facet of society or personal development for some time, but with a budget typically limited to $3000 or less.
Singularity Institute desperately needs someone who is not me who can write cognitive-science-based material. Someone smart, energetic, able to speak to popular audiences, and with an excellent command of the science. If you’ve been reading Less Wrong for the last few months, you probably just thought the same thing I did: “SIAI should hire Lukeprog!” To support Luke Muelhauser becoming a full-time Singularity Institute employee, please donate and mention Luke (e.g. “Yay for Luke!”) in the check memo or the comment field of your donation - or if you donate by a method that doesn’t allow you to leave a comment, tell Louie Helm (louie@intelligence.org) your donation was to help fund Luke.
Note that the Summer Challenge that doubles all donations will run until August 31st. (We're currently at $31,000 of $125,000.)
During his stint as a Singularity Institute Visiting Fellow, Luke has already:
As a full-time Singularity Institute employee, Luke could:
If you’d like to help us fund Luke Muehlhauser to do all that and probably more, please donate now and include the word “Luke” in the comment field. And if you donate before August 31st, your donation will be doubled as part of the 2011 Summer Singularity Challenge.