OK, so here are the 9 mistakes you don't want to make on an MBA waitlist from "The Nine Mistakes You Don't Want to Make on an MBA Waitlist" by Linda Abraham, founder and president of
Accepted.com:
1. Ignore the instructions given to you by the school in the waitlist notice or in further correspondence
2. Be modest about your recent achievements (In Russia we say 'Modesty adornes you, when there's nothing else to adorn you'

)
3. Hide your genuine interest in the school
4. Don't seek expressions of support from third parties
5. Plan a one-time deluge of correspondence
6. Fail to assess reasons for being waitlisted or act on an assessment
7. Complain to the school about the agony of being waitlisted
8. Provide excessive apologies or express regret about weaknesses/mistakes
9. Play schools against each other