You can sell items on Craigslist, just like classified ads in newspapers, for free — you don't even need a Craigslist account.

Craigslist isn't blocking general purpose spiders. A look at how the robots.txt file could give this impression plus how the service is banning more specialized classified ad search engines.

Craigslist has tons of listings for apartments, houses, and rooms but it's not particularly convenient to click each listing and then cross-reference it to a map. HousingMaps combines Craigslist ...

Craigslist is one of the best sites on the web for one very simple reason: it's extremely useful. That blue and white page with links is about as vanilla as you can get - but there's a lot going on ...