#7 Curious and helpful Chihuahuas can easily reproduce basic everyday activities.
For example, bring or carry something light.
#8 The small size of the breed will not allow chaos in the apartment. The most that dogs can do is ruined shoes or socks.
#9 Unlike other breeds, Chihuahuas will not bark just like that.
And this is important in urban living conditions, especially if your neighbors are dismissive of dog breeding.