Hi JP45 - I wish I could help, but I too still don't have the shipping option either. It's not good because I have so many other items that I'm ready to sell. I can't believe some have the option and some don't. AND that OfferUp cannot fix that.
Well I hope things work out for you. I wish I didin't have to, but it looks like i'll need to cancel my account all together.
Wishing you the best,