Some quick answers to your title and body questions:
- Downvoters (or upvoters) are not told when a post they have downvoted is edited.
Downvoters (or upvoters) are not told when a post they have downvoted is edited.
- If your revision truly improves the post, there should be no reason for it to garner more downvotes, unless there's foul play. Also, votes are locked after about five minutes. If you then edit, previous downvoters can reverse their votes. If you don't, they can't, until the post is edited.
If your revision truly improves the post, there should be no reason for it to garner more downvotes, unless there's foul play. Also, votes are locked after about five minutes. If you then edit, previous downvoters can reverse their votes. If you don't, they can't, until the post is edited.
- I've deleted answers of mine that have been downvoted - even some with net positive scores - but only because the downvoters were absolutely right, and especially because there were much better answers than mine. I would not delete a post just to lose less rep points, but I would delete it if it was wrong.
I've deleted answers of mine that have been downvoted - even some with net positive scores - but only because the downvoters were absolutely right, and especially because there were much better answers than mine. I would not delete a post just to lose less rep points, but I would delete it if it was wrong.
Question deletion is more complicated. As stated in What can I do when getting “We are no longer accepting questions/answers from this account”?, deleted questions are taken into account for an automatic question ban. It's always better to improve posts than delete them. If I found myself in danger of a question ban, I'd just work on improving my current posts. Its possible that a post is so terrible that it can't be salvaged, but I tend to hope that that's only a very rare case.
Question deletion is more complicated. As stated in What can I do when getting “We are no longer accepting questions/answers from this account”?, deleted questions are taken into account for an automatic question ban. It's always better to improve posts than delete them. If I found myself in danger of a question ban, I'd just work on improving my current posts. Its possible that a post is so terrible that it can't be salvaged, but I tend to hope that that's only a very rare case.