Wanted to buy a dog clippers to cut down on grooming expense, and because often by the time we decide "it's time", we can't get an appointment for a long period of time; never planned to do it all, but maybe every-other time, and let the pros clean up the mess. Went with the Wahl rechargeable to avoid the cord getting in the way, and to insure reliability over the stuff made in China. Yeah, a few bucks more, but absolutely worth it. This thing worked great - or is it greatly?- ! With only a few YouTubes under the belt, we forged ahead and trimmed our dog today. Took maybe 45 minutes max, and yeah, we didn't do everything - skipped a lot on the legs/paws, but overall, the dog looks presentable instead of not being able to tell the front from the back. It should hold for 4-6-8 (?) weeks. You need to be careful - the combs that attach to the clippers are more sharp than I expected, and when they catch a snarl, you have to back out quickly. But, we had combed, brushed and bathed the dog the day before, so it went smoothly. We suggest (as most of the YouTube videos do) that you bathe and brush your dog before grooming; it will help your blades stay sharp longer, and make the whole process much smoother for you and the dog, perserving your sanity.