Cancelling the downvote lead to +2 not +5
1136
How does "Reputation" work?
148279
Have downvotes cost more, to be refunded when a comment on that question/answer gets an upvote
147115
Disallow downvoting other answers if I've posted my own
36441
Cancel a vote so that the tally goes back to zero and not minus
143279
Canned reasons for up/down vote (w/ example of how it would work)
31784
What happen when a user with reputation 1 gets a down vote?
84067
How to deal with upvoted yet clearly wrong answers
57880
Add a note about downvoting on Meta
22027
What can I do if I'm the victim of serial downvoting?
99686
Why not make it mandatory to leave a reason/remark upon down voting?
80121
Send request for "reason for down vote"?
126082
List my downvoted posts that were edited
22246
Upvoting a downvoted answer will do +2 upvote?
146263
Positive AND Negative reputation show as +-1
56691
Disallow closing of questions with a certain number of question / answer upvotes
36846
Do not implicitly award bounty to an answer that has been downvoted by the investor
24713
Change rep required to downvote on MSE