eBay

it is a good idea. also, you can mention this " if you wish to buy this your feedback score must have 10 or more" on your descriptionfor e.g: on your high-end items

if the same bidder it means yes

As far as I know yes is possible to sell on eBay from NZ. if you use.com site basically you can use below shipping servicesdomestic shipping - Economy shipping from outside the USInternational shipping - Economy international shipping

https://www.ebay.com/help/selling/getting-paid/resolving-unpaid-items-buyers?id=4137&st=12&pos=1&query=Resolving%20unpaid%20items%20with%20buyers&intent=unpaid&docId=HELP1091

dear,can you please tell me what did you mean by "FP"Thank You