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The author observes that used RTX 3090 GPUs are being sold on eBay for $1,300-$1,500, higher than a new 3090 Ti purchased 5 years ago, and questions why people buy older used GPUs at such high prices for AI rigs.
Tracking 15 EU GPU stores shows RTX 5090 prices rising 3% due to AI/workstation demand while other GPUs drop 7-9%, suggesting sustained high pricing for AI inference hardware.
SkyPilot team open-sources a continuously updated catalog that tracks on-demand and spot pricing for 50 GPU models across 20+ clouds, now browsable online.