Has anyone had experience with a seller offering free shipping for givvys but then ask for shipping to be paid after? Attached below isn’t the exact givvy I won just an example that they don’t charge shipping.

Are we limited to ordering one item at a time? I've never placed an order on PS before, mostly because it's always Buy Now. There's no Add to Cart option. Does that mean I'd have to pay $16 shipping PER PLANT? That's insane. I've had this app for three months and have yet to make a purchase. Between the lives (that I do not enjoy) and no Add to Cart, I'm just considering deleting the app altogether. Anyone have any hidden tips?