Has is occurred to anyone that the OP was certified in August of this year and has <25 dives...and is asking about tech training?
The first post should have told him to wait a long time, get a lot of experience, then possibly think about it later on. That's it -- thread closed. No need for anything else.
Page one...last line of my original reply to the OP:
'Good luck on your research and learning....from your bio you are still a ways out from tech...'