The cardinal rule of being a gold goblin is that everything sells. This is the basis of what many others and I have created our fortunes upon. Never has this been as obvious as in the opening zones of Mists of Pandaria.
Last night I started my number one farmer to work. She is a Skinner/Miner with decent gear, so I had no problem blowing through most of the mobs in the area. The part that I was noticing was that in the opening area just outside the temple.
Here was a plethora of mobs to kill and skin. Many of the Sha-Infested Prowlers in this area have a heavy repop rate. Being a member of a level 25 guild and the Bountiful Bags Perk I ended up with about 15 stacks of Sha-Touched Leather in my bags for less than an hours worth of work.
One of the reasons this area is very profitable for skinners is that many players don't have the skinning ability so they will end up leaving unskinned mobs in this area. There was some bad with the good in this area. It ended up where many of the corpses were unable to be skinned because players did not loot after they had been killed.
Also as your skinning in this (and other areas) there is the opportunity for Plump Intestines to drop. These seem to contain bonus coins from 1-2g (similar to the Strange Bloated Stomach that was skinned in Twilight Highlands.).
As a skinner spending some time in these small profitable areas for materials can be beneficial. Later on there will be less need to farm the Mists of Pandaria version of scraps for full pieces of leather. But with the market being hungry for anything necessary to level professions, getting these onto the market can be very profitable.
Good Luck and Good Skinning (and loot your mobs)