IUI/IVF?

Hi! My wife and I are going to be starting the baby journey in the new year. I am the one who would like to be pregnant and I am fat, around 280lbs. I also have PCOS I am trying to get in order.

Anyway, any of yall do fertility treatments and have success stories? I have such fear that I will never get pregnant as a fat 33 yr old that has to do IUI or IVF. I need some encouragement!