So yesterday Eli and I made a composter! The materials cost about $30 and took less then a half hour to design and build.
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Ingredients:
1 trash can (~$12)
2 8' pressure treated 2×4 (~$4 each)
1 2' section of 1.5″ PVC pipe (~$2-4
2 bungee cords (4 for ~$6)
some exterior grade screws

Mix it all together and you get a composter. I was really shocked at Home Depot when a 2' piece of PVC was $2 and a 10' piece was less then $4. I bought the 10' and have some left over. Instructables has some good how-to's on building composters of varying styles.

I reckon thirty bones isn't too bad considering something like this sells for about $200. Maybe I should start selling them to hippies at the Farmers' Market.

[Ed. Note] Bridgit and I had a discussion about the punctuation in Farmers' Market. According to the dictionary it is Farmers' Market though I wonder if it actually possessive.