Capital One's Capital On Tap Promo is an excellent opportunity to earn cashback on groceries, gas, and other everyday purchases. What makes this promotion more attractive than most credit card offers is that it does not just offer 1% or 2% cashback but instead, it gives you 3% for the first $3000 you spend in these categories per year (gas station or grocery store) and 1.5 percent after that (until the next quarter).

It is essential to establish an idea of what you…