For years we've been storing leftover food and drinks in wide mouth mason jars sealed with plastic caps. It's inexpensive and convenient. A 12-pack of Ball 16oz Wide Mouth Mason Jars costs $(removed) on Amazon and an 8-pack of Ball Wide-Mouth Plastic Storage Caps costs $(removed) So, each container cost about $(removed)
Carla stores cold brew coffee in them. When its time to drink one, she adds a little halfs and half, stirs it up and it's ready to consume.