Buying a puppy online is generally not a good idea.  There's a host of reasons why and I address them in this podcast.  Also, there are several scams that are commonplace and you should know about them.  

Robert Cabral's Canine Conversations - Dog Training Podcast

Episode 58 - Online Puppy Scam

Canine Conversations tackles just about everything dog related: dog training, dog health, owning a dog, dog behavior problems, competitive dog sports, what to feed, rescue dogs, shelter dogs, talks with other dog lovers and so much more. Hosted by Robert Cabral, master trainer and behavior specialist. Robert has trained and worked with thousands of dogs through his work with Bound Angels at shelters throughout the US. He has also trained and titled competitive obedience and protection dogs worked with countless family dogs with clients and has shown dogs in AKC, IPO, Mondio Ring - covering obedience, protection, conformation and more.

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Robert Cabral's Canine Conversations - Dog Training Podcast