Group 1 - The core idea is that seniors are increasingly purchasing gold bars as an investment at Costco, rather than traditional jewelry counters [1][6] - Gold prices have surged by 70% over the past year, significantly outperforming the S&P 500, which has risen by 13.95% [2] - Gold is viewed as a hedge against high inflation, although its volatility has been notable this year, with reports indicating it is trading like a meme stock [2] Group 2 - Costco offers competitive pricing for gold, with a 1-ounce gold bar listed at $4,559.99, compared to a spot price of $4,982.60 on the same day [3] - Executive members at Costco can receive up to 4% back on gold purchases, enhancing the value proposition for buyers [4] - There is a purchase limit of four 1-ounce bars per member every 24 hours, which may affect buying strategies [4]