I've had this frother for a year+ it's still going. I make sure to clean the magnetic spinner inside, which clips off and clips back on again. Don't break the little comb hands or else it won't work as good. You can do cold mixing, hot and super frothy. Results of frothy milk will depend on your milk which naturally varies. Anybody that's worked as a barista will know this. People complain about not being able to do two different batches of milk quickly because there's a temperature lock out. I live on my own and my gf has her coffee hot so idk never encountered it. The cup is enough for 2 medium cups of hot milk so good for me. If you need more you might consider a full espresso machine with a steam wand, or idk go to a cafe? Don't put the jug in the microwave. If you're putting things in the microwave without checking they can microwaved then idk.