So don't say you want to show if you aren't sure. If you think it might be fun to try, ask the breeder to tell you her expectations for a show home. Even if the breeder offers to show the dog for you, you will be expected to keep up with the grooming, make him available for show weekends, and pay the entries and maybe other expenses. If these appeal to you, again tell the breeder so she can find you a puppy that'll share your enthusiasm for these pursuits. Breeders can't always predict the outcome of their placements.
Many breeders finally give up their breeding program.
Sadly these are often the most conscientious ones. They have become disillusioned by duplicity and let down by false promises. Although it is impossible to detect every liar and con artist, the more time the breeder can spend on the phone or better yet in the company of the potential buyer the better she will be able to catch the inconsistencies and doubts. Fortunately relatively few potential buyers are out to con the breeder. Most people want to have a happy well-adjusted puppy to complete their family.