Dogs are amazing creatures that can provide companionship, love, and security. However, training a dog can be difficult if you don't know what you're doing. That's why it's important to enroll in a certified dog trainer school and learn the proper techniques. This article explores common bad habits that a certified dog trainer course can help you eliminate. Jumping One common issue is teaching a pup not to jump. While it's natural for a dog to jump up to greet its owner, it's important to understand how to discourage this behavior so that it doesn't become a bad habit.