This machine is the only way to make nitro cold brew coffee at home - and it's on sale

Cold brew fans know the process for making this type of coffee is completely different from hot coffee, and can be time-consuming to do at home. But the Cumulus cold brew coffee machine is designed to make only single-cup cold brew, nitro, and cold espresso in a process as easy as using a Keurig -- and it's the only way to make nitro cold brew at home.

The machine usually comes at a high price point of $695. But ahead of Mother's Day, it's 20% off with code MOTHERSDAY20, making it a great time to buy if you're in the market for a high-end at-home cold brew machine.

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I tried out the Cumulus cold brew machine at home, and was impressed by the design -- it's tall, but has a slim, stylish profile, and ...