alt Hacker NewsI think it's fine to allow it but if you're going to price things based on the individual buyer, you then should be forced to accept counter offers. Make everything negotiable.
$5.00 for a gallon of milk? No, I'll give you $2.50. Back and forth until you find a mutually agreeable price.
Ah yes, the old 3 hour grocery list negotiation. This must be the lauded efficiency the capitalists are always on about.