eufy Boost IQ RoboVac 11S (Slim)

This is a wonderfully designed piece of technology. When it work properly, its algorithm does a fair job of cleaning my apartment. It docks nicely and I appreciate the timers.However, there is one major problem.The motor mechanism is flimsy, and some part or parts of the Eufy robot vacuum cleaner break down after a few months. Here are some examples I have experienced. The unit moves back and forth in an arc instead of covering the whole apartment. Or it repeatedly beeps that it is stuck, when there are actually no obstacles at all. It gets into a rut and spins its wheels, going nowhere. You can replace some of the spinning brushes and wheels, but it is not enough to keep the vac working effectively. After a few months, the experience shifts from satisfaction to frustration to breakdown.I have had to buy a new unit approximately every 6-7 months, and I have gone through six Eufy robot vacuum cleaners in this way. I really cannot recommend this product for most people. The design and software are great and this promises to be a wonderful, life-enhancing product. But unfortunately Eufy does not use durable, quality parts.