My dh bought me a gorgeous Prada evening bag about 10 years ago (pre kids & mortgage!) and the fastening had come apart. I was in London a few weeks ago and realised, as I walked past the huge Prada shop in Bond St that I had the bag with me. So I went in to ask if they could repair it - fully expecting them to either a) laugh at me for having such an old bag and expecting them to fix it or b) charge me a fortune.
They were lovely, sent the bag off to Italy, phoned me to tell me what was happening and returned the bag to me today, all fixed, in a huge Prada box with new dust bag etc, by recorded delivery, for absolutely nothing!
Just goes to show that you do sometimes get what you pay for!