Proton VPN has a 30-day refund policy. As long as you paid for your VPN less than 30 days ago, you can get your money back.
If you want to get a refund on your PS4 for a PlayStation Store purchase, you can request one through the PlayStation website's chat support.
There are three ways to issue a refund on eBay: by responding to a buyer's request, cancelling the order on eBay, or cancelling it on PayPal.