Help!? Possible TMI

Endo..TTC like my life depends on it..tracking, sex every day regardless of ovulation timing, trying to hold it in for a few seconds after sex, everything I can think of without spending a ton more money, nothing..Never told I’d have fertility issues due to my endo problems..just assumed I would myself.. 3 days late for AF just tested (930pm) BFN..I’m at the point of giving up.. was it too early?