14 Jun 2026
Signal Headquarters
Vol. I
No. 17
Reference

What is Costco?

Costco is a membership warehouse club retailer. The supplied material tracks its gold sales, governance structure, and reselling opportunities.

  • Apr 2026 - A host reported buying washers and dryers from Costco and reselling them on Facebook Marketplace for a profit.
  • May 2026 - James Lavish said Costco sells $3 billion in gold annually, with 25,000 customers per month buying gold in stores.
  • May 2026 - Eric Ries described Costco as a ‘spiritual holding company’ and noted it is ‘embodied in a governance fortress.’
Signal Headquarters · reference note, compiled from attributed expert discussion.