The only bike I've bought new is my Hardrock. Being an old and inexpensive MTB, I've got little worry of it breaking, and should it, little worry about recouping it. I've long since lost any proof of purchase anyhow.
I've read something on this forum about new Burley inc honoring old Burley co-op's warranty. They had set up a trust or something for the purpose.
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Genesis 49:16-17
"Well, well!" said Holmes, impatiently. "A good cyclist does not need a high road. The moor is intersected with paths and the moon is at the full."