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In one day poking around Craigslist NYC I have furnished my apartment with all the big items I was planning on picking up at Ikea.
Craigslist total: $230 vs. Ikea retail: $476

I've resolved to use as much found or second-hand furniture as possible. The reasons are two-fold 1) It's the environmentally sensitive thing to do and 2) It's the cheap thing to do (I really want to buy that MacBook one day soon.)