First iui cycle questions

I’ll start first <a href="https://glowing.com/glow-fertility-program">iui</a> by taking clomid soon. I have 2 questions;

1. When is a good time to take clomid? Morning? Day? Evening? The nurse said it doesn’t matter though.

2. Doctor gave me two options. Either do ovulation kit at home as I ovulate regularly, and come for insemination when it’s positive. Or do ultrasound and trigger shot option. My doc said statistically pregnancy rate for both options are similar. What do you think? I think second option seems more accurate but worried about side effect of trigger shot and prefer less invasive method. But then I’m 41 yrs old so I don’t have that much time to waste.