Bear in mind that questions are automatically removed [under the following conditions](http://meta.stackoverflow.com/a/92006):

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**If the question is more than `30` days old, and ...**

- has -1 or lower score
- has no answers
- is not locked

... it will be automatically deleted.

**If the question is more than `365` days old, and ...**

- has a score of 0 *or* a score of 1 with a deleted owner
- has no answers
- is not locked
- has a viewcount <= the age of the question in days times 1.5
- has 1 or 0 comments

... it will be automatically deleted.

This check is run every week across all sites.