I've had 2 vibratory tumblers from Harbor Freight. The first one vibratoried right off the top of my work bench about 2 years after I bought it! I came home from work, and it was on the floor still running on its side!! What a mess! I went back to Harbor Freight and bought a second one and have been using it every since. Probably 3 years or so. I paid aroun $8 and bought the "Free Replacement" warranty, but never had to use it. It taught me a valuable lesson though. Put it on the floor when operating!.. I would recommend sweeping the dirt and dust up for at least a few feet so it doesn't get sucked up in the motor. Mine hase screen mesh on the bottom. Watch the paper and magazines for the 20% off coupon and wait until it goes on sale. I just checked the website on sale for $55.99, with 20% coupon you could get down to $44.80.
I'm not a high volume reloader. I probably use it once or twice a month usually overnight 8-10 hours.