The post expired on craigslist. It is still up for sale...
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I use craigslist for informational images linked from my posts.
An example: https://eugene.craigslist.org/pts/d/...374463500.html
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I re-new my craigslist ads by going to 'my account', then clicking 're-new' in the line next to my ad.
As I understand it, each 're-new' is good for forty-five days.