Bounty +50 on question from user with 22 rep?
5135
Bounty by user with not enough reputation
138504
First Post suggests an answer from a "new user" who is 3+ years old with 1800 rep
129117
Pay real money to set bounties (another method, not replacing rep method)
19193
50 question per month limit?
52146
Stack Exchange doesn't allow me to answer protected questions because I gave away earned rep in bounties
142098
Undocumented increase in minimum bounty value?
146051
My bounty didn't get me an acceptable new answer on an already answered question
59168
Advanced search criteria for bounty questions?
45579
Linked account +100 rep bonus also applied to account with 200
117529
No proper responses to a bounty question
13552
Clever bounty reputation hack
97524
Allow bounty owners to comment on questions they've placed a bounty on, even if they have less than 50 reputation
137722
Can I award a bounty to myself if I provide the best answer?
20508
reputation points gained in answers
34555
Can a user gain more than 2 rep for editing?
136901
Why was this bounty awarded by the Community user?
35084
Shouldn't rep gains from old questions & answers eventually stop (or at-least reduce)?