How to prepare for giving birth?

I am due to have my baby May 15. I was told to expect a C-Section my baby was transverse and I have a large fibroid. Today found out my baby had turned around past the fibroid and is head down!
I will be having a vaginal delivery. Are there things I need to buy to prepare for after delivery like a sitz bath seat do I need or just a spray? I feel so unprepared!