Which short end can you use?

Which of these is the first check an end of a barbell must pass?

• It pays the highest yield on the list
• It has a maturity date
• It is a well-known brand

A product's documents bar residents of your country from redeeming it. You could still buy it on a secondary market. Does it pass the eligibility check?

• Yes, because you could buy it
• No, because you can't use its redemption, so your only exit is selling to someone else
• Yes, if its yield is high enough