There are thousands of dog training videos on the internet and on TV. There is nothing better than learning from the professionals.
-Watch experts on TV
-Subscribe on Youtube channels you like
-Take note of the tips they tell
One of the best practices to help you strengthen your skills as a dog trainer is to watch professionals in this field frequently. There are a lot of TV shows that show such trainers that you can watch every week for it.
There are also thousands of videos to watch on Youtube. Just search dog training videos and subscribe to the channel which fits you best or shows the best dog training techniques you want to teach your dog.
Watching dog experts do their things will also give you tips and hacks on how to teach your dog commands easier. Watch these experts more, so that you can take note of important things in training your dog.