Updated Review. 10/10/2022 I have updated my review to 3 stars. Bottomline: I am able to salvage some functionality of the machine, Yesterday thought it was throw away, today it may work, so upgrading to 2 stars instead of 1. However if you are hoping to have just normal maintenance on your Grinder, this one will require additional clean out below the grinder and is not designed to support this activity. The cause of the failure of our grinder is now very likely determined to be "build up" of fine ground coffee.below the grinder. To get the right pressure for extraction we typically process coffee at setting "7" from 0 finest to 35 coursest. What appears to happen is that after the finely ground coffee passes through the grinder, it accumulates in a "2 inch long angled tube" that is supposed to transfer the ground coffee from the "center" below the grinder to the center above the "removable container". The coffee moves through the tube with gravity and vibration in normal operation. We found that finely ground coffee remains in this tube after normal use and humidity, and infrequent use allows a clog to form in this area. Since coffee can't exit the grinder it backs up and affects the motor and burr grinder, causing it to seize up. The cleaning instructions should warn, that in certain condition, there is a need to clean the tube below the grinder, after every use, to prevent the build up of a clog. (particularly with fine grind setting).Original Review. One Star. We bought this coffee grinder on June 27 2022 and by October 9 2022 it has failed. We are just two people using the grinder like once a week. I estimate this grinder lasted something like less than a total of 60 minutes of grinder use. (12 weeks X 5 minutes a week). It worked great up until the morning (today) that the motor just wound down lower and lower and stopped working. Grinding wheels seize up and electric motor makes terrible noise. Tried cleaning and blowing out suspected debris with reversed vacuum attachment. Unable to repair. We have had grinders that lasted years. This one barely made it 90 days. They got our money on this one.I love this grinder! Our old grinder made so much noise and spewed coffee grinds all over the place. This grinder works at a slower speed and doesn’t have the problem of creating static electricity like our old grinder did. While the unit was is the shipping process, I received an email from the seller with use and care instructions which was helpful. I highly recommend this grinder! ?This grinder is very easy to use for someone like meThe unit is great for the price. It is adjustable to deliver just the right amount of the perfect grind. There is VERY little spillage and it's easy to operate. We love it and the coffee is consistently luscious.I am a single person, and this feeds my needs as I usually grind enough per week.My primary complaint: it comes with a portafilter adapter, but with our portafilter all the way in, dumps grounds down the back. Does not really seem to be a way to fix this. Probably going to try to 3D print our own fix, but as sold, it's super messy and wasteful.In addition: it loses settings if unplugged. To lower grind time from the default of 25 seconds, you have to hold the time button while it counts *up* until it wraps around. And you will need to do this every time it's plugged in.Requires touching and holding for 2-3 seconds to "unlock", then tap to start. Really could have just used another button or a switch for power; the multiplexing on a single button is not a good design.The manual is, predictably, hard to parse and disorganized. It doesn't seem like it was reviewed by a person fluent in English. There is no "assemble the unit for the first time" section that I saw, so best of luck to you if you haven't put together a conical burr grinder before. Otherwise it has the fairly typical counter-clockwise nut that you will need to make sure is tightened with a small wrench. Finger tightened it will loosen over time.The grinder is loud, which is not really unexpected for a grinder, but some folks have mentioned it in their reviews and they are correct.Overall, this is a fine backup grinder if your normal one dies. It's not a good daily grinder, and if that is your intention, keep your expectations reasonable. I expect to throw this in a cabinet in a couple weeks and hopefully never turn it on again.Great price for this little grinder. Quiet and efficient :)My husband bought this grinder for me and it works well with out Barresta. Now that I have figured out how sensitive it can be I like it!.