Battle for Azeroth is on its way, time to get rid of all of the old mats and level up professions for the new expansion, with this method you can sell your leather for a decent price to vendor even during the new expansion with little loss.
Good gold making method even if you don't get Battle for azeroth right away you can farm gold with the vendor.
World of WarCraft Statistics For Rufflez Revolution
Rufflez Revolution currently has 74,597 views spread across 24 videos for World of WarCraft. His channel currently has around 1 hour worth of content for World of WarCraft, or 13.87% of the total watchable video on Rufflez Revolution's YouTube channel.