Thank god for eBay

I recently upgraded my phone with a well known service provider (SP) but I went away for the weekend and left my charger in the bedroom, so I needed to buy a new one and after talking to my SP and having a massive argument with as I spend so much money with them they told me it didn’t matter what I spent on a monthly basis I still have to pay the full price for a charger. The way I got round it was they refunded the money on my monthly bill. So I bought one from the shop, a month later when the warranty ran out I found my old charger and tried to take my new one back they refused saying I had, had it to long and I had no packaging, so I simply sold it on eBay and got more for it than I paid new from the shop. So thank god for eBay.