By spending a little more upfront on items that replace disposables or reduce utility bills, you can save money in the long run and plug the leaks in your bank account. Here are five types of products available at Walmart that will pay for themselves many times over in the long run. Walmart carries a variety of Brita pitchers, sized for the occasional glass of water to the whole family’s water needs. Equate Brand Over-the-Counter MedicationsOne of the easiest ways to save money at Walmart is to stop paying the brand name tax in the pharmacy section. While high-end smart thermostats can cost hundreds of dollars, Walmart sells basic programmable thermostats for a fraction of that price.