With over 10,000 stores in 19 countries, Walmart is one the world's largest retailers — and odds are, there's a location near you. As a one-stop shop for groceries, home goods, furniture, clothing, personal care items, and more, you may be spending a good chunk of your monthly budget in-store or online. However, you can limit the impact of your spending by using a rewards credit card for your Walmart transactions. Since these are purchases you plan on making anyway, it makes sense to earn cash back, point ...