There are over 157 million Amazon Prime members in the U.S., and the vast majority are using their $139 annual subscription for exactly one thing: a $7.95 delivery fee waiver. The average member has access to over $2,400 in annual benefits but only uses about $300 worth, leaving the rest completely dormant. Amazon doesn't aggressively advertise these perks on their homepage, but activating them can pay for your membership several times over. Free Grubhub+: Every Prime member
