It is recommended to use PayPal Goods and Services when paying for an item. There are no buyer protections when sending PayPal Friends and Family, Zelle, Google Pay, Venmo, CashApp, Crypto, among others.
I did some hunting around on here and EBAY about a month ago......The people who have these sets don't want to sell; I have about a barrell of 5s but they are the easy ones to get.