I've had mine for over a month and have used it countless times, as I like cashew nut milk and finding any in stores is impossible. For me, alternative milks aren't possible since I'm allergic to dairy, oats and almonds, can only have soy occasionally, and I don't like it when sugar is added. Making a milk myself, that I know I can drink, is so much easier.
I make my cashew nut milk in bulk so it lasts me a few days. (I store it in an old fashioned glass milk bottle that you can get from Kmart....