I have seen a few places not take Discover, or Amex, or only take Visa/MC here in the US. Costco was unique because they used to only take Amex credit cards an

I have seen a few places not take Discover, or Amex, or only take Visa/MC here in the US. Costco was unique because they used to only take Amex credit cards and then Citi/Visa won that business.