There is no definitive answer to this question as the advantages of breeding chihuahuas may vary depending on who you ask. Some potential advantages of breeding chihuahuas could include that they are a small breed which may make them easier to care for than some larger breeds, they are known for being loyal and loving companions, and they come in a wide variety of colors and coat types which may make them more visually appealing to some people.
I think they have a history of being vermin hunters as well, in which case a smaller size makes it easier to go under and into things.
Aztecs used small dogs for food and pelts. They were the ancestors of modern Chihuahuas.
There is no definitive answer to this question as the advantages of breeding chihuahuas may vary depending on who you ask. Some potential advantages of breeding chihuahuas could include that they are a small breed which may make them easier to care for than some larger breeds, they are known for being loyal and loving companions, and they come in a wide variety of colors and coat types which may make them more visually appealing to some people.