First timer - what should I know/expect?

We have been TTC for 18 months now without success. My husband and I are both 30 and healthy. His semen analysis came back normal and this cycle my doctor is going to do day 3 labs (tomorrow) and a mid-cycle ultrasound (Nov. 5) to make sure I’m ovulating on my own. I don’t have PCOS but do have very mild endo that was just discovered in July and I have regular cycles.

She told me I can start Clomid as soon as I wanted to. I have no idea what questions to ask about it, what to expect from taking Clomid, if there is a better alternative out there that I should look into?

I’m looking for any and all advice about this because I am completely uneducated and in the dark about it. Would also love to hear some success stories! Please share whatever info you have! ♥️