TRC Coffee via Amazon offers Prime members the Two Rivers Mega Coffee K-Cups 40-Pack for $15.95 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $7.73.) That's the lowest price we could find for a similar 40-pack by $8. It features a selection of coffees including dark roast, medium roast, light roast, extra bold, flavored, and unflavored.

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