The internet has become flooded with packaged dog training tips in convenient downloadable ebooks. Some of these dog training books start at the very blue-blooded canine professional show level.
Many other "cheap, knock-off" ebooks that service dog training are also readily available for the common lovable mutt owner.
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Needless to say, the pro level, specialty courses can include memberships which are often quite expensive and filled with patronizing fluff. Such can involve a monthly commitment that can be hard to get out of.
Then, for us commoners, we have simple dog training advice which can be found at the library or spouted from the opinionated owner next door for free. The problem with the free variety is that some if it is dated or just plain unworkable nonsense.
One needs to sort out the straight information for quick results from this sea of information, regardless of the price.
It can be a daunting and frustrating job when so many dog training aids are available to choose from.
The first thing to know is that all effective schools of repute will start with one fact: YOU are the master and not your dog.
If you think this is totally obvious and "everybody knows that", think again. Watch how many "masters" are being led by nose as they walk down the street and try to manage an overexcited animal.
Also, when approaching such challenges as your animal's nervous behavior, very few dog training methods address the necessity of quality nutrition.