Always free AUDIOBOOKS from Twayesh Projects - download today! Common Mistakes in Home Pet Grooming? ✹✹✹✹✹✹✹✹✹✹✹✹✹✹✹✹✹✹✹✹✹✹. When dog owners attempt pet grooming at home, there are several common mistakes that are made. Pet grooming is a skill, but with the right equipment and patience it can become a household duty that will save both time and money. You have to be careful.