As an example, I will take my server values to calculate how many procs you need to make up the price of one Magnetic Mining Pick (40 SS ore, 10 Platinum ore, 15 Expulsoms). Assuming 25g per SS ore, 20g Platinum Ore, and 55x the price of Tidespray linen to craft 1 expulsom in average (got the value from a previous post in this subreddit); 1 Pick is worth 5325g (not counting the elemental flux).
Leatherworking is a crafting profession that uses various leathers obtained from skinning to craft leather and mail armor. You can make gold shuffling leather into enchanting materials through the rank 3 bracer recipes. Battlebound for Stormscale and Warhide for Stonehide Leather. The other main market for Leatherworking is crafting the item level 850 gear. I find that both Dreadleather and Gravenscale gear sells very well.
Obtaining Items from the Black Market Auction House Everything about the Black Market Auction House, including unique items for sale, how to place bids, and where to find the Auction House. Professions in Battle for Azeroth Professions in Battle for Azeroth, the next WoW expansion after Legion, have received a significant update, with many new recipes as well as a significant skill squish. In this overview, we'll highlight the major recipes, reagents, and useful items each profession offers. Obtaining Blizzard Shop and BlizzCon Vanity Items How to purchase and collect all of the mounts and pets from the in-game Blizzard Shop and special promotional events like BlizzCon. Obtaining All the WoW Trading Card Game Items Learn all about the quirky Trading Card Game items, from spectral mounts to weather machines, as well as look-alike items that are easier to obtain.