Ive been grooming for 2.5 yrs now, but doing bathing and stuff for a couple years before that. I went to petsmart's grooming academy, and nope, they aren't the best. However, it was the only thing available in my area, and my manager at my home store had been grooming for like 45-50 yrs, so she taught me when I got back. Pretty much everything I know is thanks to her; I've pretty much just practiced and built on the knowledge she gave me. So my advice is to find someone who is GOOD. Find someone who's been at it for a while, preferably who has done some competing, showed dogs, maybe even gotten some sort of certification from ndgaa or someplace like that. And learn how to bathe and dry well...can't stress that enough. The best scissorer in the world will get nowhere on a dirty or curly coat. Be willing to take lots of critiques. That's probably the hardest part. I was blessed with people around me who critiqued kindly...they were nice about it. "here, lemme show you this little trick" or "this line isn't quite right, but you did great here!" I'm a sensitive person, I probably would have cried if someone was harsh to me. Lol. And (not to sound conceited) I have quite a bit of natural talent. That makes it easier...I seem to have been born with the ability to visualize, then carve it out with scissors or clippers. But of course, that doesn't take away from the fact that I still have to practice, practice, then practice some more! Anyways, good luck choosing!