how do people farm transmog?

[ducky]

what profile they use ?

 

[rywill27]

More than likely: this one, next time, try searching for a farm. They're everywhere on this site.

 

[brainAbuddy]

More than likely: this one, next time, try searching for a farm. They're everywhere on this site.

this, but keep in mind most of these profile you linked to or BOP items.
Most profile here does not only farms pets, but also transmog. You will need to read true the post if the author says anything about it.