It’s official: cash is dead. Long live credit cards! Seriously, though, with credit and debit cards making up 75% of all spending, the competition between banks is fierce. Marketing tactics include everything from price drop refunds and airline miles to cash-back rewards. And with all things, when competition is fierce, we, the consumers, win!Like many of you, having multiple cards in my pocket means I often forget which card has the best rewards program. Fed up with me leaving cash on the table day after day, my wife came up with this ingenious lifehack to ensure I always use the right...…It’s official: cash is dead. Long live credit cards! Seriously, though, with credit and debit cards making up 75% of all spending, the competition between banks is fierce. Marketing tactics include everything from price drop refunds and airline miles to cash-back rewards. And with all things, when competition is fierce, we, the consumers, win!Like many of you, having multiple cards in my pocket means I often forget which card has the best rewards program. Fed up with me leaving cash on the table day after day, my wife came up with this ingenious lifehack to ensure I always use the right...WW…