These dogs are essential to the people they guide. It costs about $75,000 to prepare each Seeing Eye dog for its career, and only 60% of dogs make it all the way through the training program. So ...

These small, long-haired dogs, known as “little lions,” can cost anywhere from $3,000 to $8,000 for a purebred puppy.They’ve been popular since the Renaissance and were featured in period ...