Oh and no offense to OP as I am a super scrub nub but I don't see how
Ok, so you’ve scouted and see a 10 supply build going into what you assume is a 12 rax. Next step; Build a factory and an engineering bay...When your engineering bay finishes, get a missile turret up at your entrance and at your mineral line, just incase.
is either a good idea or reacting to anything. Is this really standard in TvT?