Follow the guidelines that are specific to the invite you want.
I don't give a f*** about ratio proofs so don't post any
(13 left) STMusic invites - just ask!
(2 left) Indietorrents invites - a pm with proof that you can rip music and make .nfo files OR 2 fast speedtests
(0 atm) VIPV2 invites - your word that you'll use the tracker to download more than 1 file
(1 left) Libble invites - " "
(1 left) iPwn Music - " "
(4 left) TranceBits - " "
(0 left) Waffles invites - having a seedbox is preferred but a fast connection will do. also experience in buffering accts or ripping music would be good
(4 left) Kraytracker invites - i would have to know you at least somewhat, because if you fuck up on this site, i'll get banned because of new security rules
0day upload only trackers:
(2 iFi) - either i know you, or after looking through your posts i think you're a good user. don't apply if you trade or if you're new here
(2 Bitseek) - same as above