NEW VERSION:
https://www.youtube.com/watch?v=eHtqN17v2TE
All of these are based on my personal experiences with hosting MAPs. I'm a little sick so sorry if my voice sounds a little scratchy :'^)
Also I'd like to mention that I'm not angry with the people who have done some of the don'ts; none of them are super annoying for me, just kind of ruining your chances of getting a part and I find that kind of sad