Yep, the standard practice nowadays is buying Visa gift cards and then using them to purchase money orders. It’s usually only worth the time and effort if you have a good sign up bonus on your credit card. However, I’ve also been looking into some creative and profitable ways to utilize the “float”—the pile of cash you’re sitting on for 4-6 weeks until the bill is due. It’s definitely worth my time if I can use that productively and roll it over each month...

Ally Bank offers 2.2% interest, which is not huge but involves minimal effort to set up.