Finn

This calculator is a great tool for figuring out if the Amazon Prime Visa actually makes sense for your wallet. It smartly isolates the extra cash back you'd earn compared to your current setup, and correctly treats the Prime membership fee as a sunk cost if you're already a subscriber. Just remember that the math only works in your favor if you pay the card off in full every month—interest charges will quickly wipe out any 5% cash back gains.

Reviewed v26.8.5