I've been looking in charity shops lately and it really is much cheaper to go to Primark/supermarket. I've also had loads of decent stuff rejected by charity shops e.g. Barnardos would not accept my Ikea furniture, which was in perfect nick because it was Ikea. It has prompted me to use freecycle instead, as someone always wants to pick up anything that works.
I wonder are the charity shops noticing what people will pay for some stuff on ebay and pricing accordingly? I think it would be great if they would SELL any particularly good stuff on ebay themselves, if they are worried about people doing that. But accept anything handed in that is half-decent and sell it off really cheaply. If anyone knows of a charity shop with this policy send me there!