Newbie here needing advice!

My husband and I have just started trying in this last month. I stopped taking my bc last month right before my last period started. I'm late by a couple weeks but tested negative. I can feel that my period is starting up though. I'm already experiencing some very light spotting as of today. However, I am curious when is the best time to test if I think I might be? How many days after ovulation is best? What are the best pregnancy tests to use? How often should we be having sex for the best chance of pregnancy? Please help! I'm so new to this and the wait list to even see my gyno is a month and a half. Thanks in advance!!