u/Drakenstair

Scroll to the bottom for the straightforward step-by-step process.

Players who have access to all glyph recipes may have a different experience with Inscription gold-making at this stage, but on my connected realm Ra-den, demand for glyphs is generally low and income is variable as a result. What contributes to this reality is that glyphs only need to be bought once or twice, so they aren't proper consumables that have long-term demand: you invest into a set of glyphs once, and that character is good for the expansion. Darkmoon card trinkets are also of limited value in the late expansion.

Instead, Runescroll of Fortitude III and epic/greater shoulder enchants are where the money is at. The former, priced at the 10–15 gold range per unit, is quite a lucrative product, but demand is generally low because it's a fairly niche consumable that only raid leaders who want to completely optimize their runs are aware of and buy on a regular basis, where regular basis is weekly raid-logging, so any given guild only needs x6 Runescroll of Fortitude III at most per week. Always ensure you have 5–10 of these posted on the AH, but don't go crazy crafting any more than a stock of 20.

Which brings us to the main MoP Inscription consumables: Greater Crane Wing Inscription, Greater Tiger Claw Inscription, and Greater Tiger Fang Inscription. I strongly recommend against crafting Greater Ox Horn Inscription, since it is priced 25–50% lower than the other three enchants, on account of lower demand driven by a lower proportion of players who play tank.

Demand is stratified as follows: Crane Wing >> Tiger Claw > Tiger Fang >> Ox Horn

Production of these consumables is based on the milling of Pandaria herbs like Green Tea Leaf and Rain Poppy. In my experience, profit fluctuates between 1.6–2.7x per gold invested (e.g., 500 gold spent on herbs on the AH leads to 800–1300 gold in sales, which equates to 300–800 gold in profit). On Ra-den, Green Tea Leaves and Rain Poppies are the most sold herb, and there is usually a stable supply that fluctuates around a unit price point of 1.00 gold.

Here's how profit is broken down based on gold investment into the Pandaria herb raw products:

1. x500 standard herbs (I will use standard to refer to Green Tea Leaves and Rain Poppies specifically), which is x25 stacks of x20, can be milled 100 times (x5 herbs per mill) to yield x24 Misty Pigments (24% chance per mill for x1) AND x248 Shadow Pigments (approximately x2.5 per mill on average).
2. x24 Misty Pigments can then be crafted into x12 Starlight Ink and x124 Ink of Dreams. The Ink of Dreams can then be traded to your local ink trader (e.g., Stanley McCormick in Stormwind) for x10 per x1 Starlight Ink. If you do this, you will have a total of x24 Starlight Ink.
3. x24 Starlight Ink can then be crafted with x8 Light Parchment into x8 of a greater shoulder enchant.
4. Assuming that the original Pandaria herbs were bought for at most 1.00 gold per unit, you have invested 500 gold. Each shoulder enchant therefore needs to be sold at a minimum price of 66 gold to break even (8 × 66 × 0.95 = 501.6).
5. Since milling and converting all the reagents above takes time, you shouldn't be settling for breaking even. Inscriptors on Ra-den are generally comfortable selling at a minimum of 105 gold per enchant, and players tend to buy at a maximum of 185 gold per enchant.

For fairly low effort, I have been able to make 1000-1500 gold per day on Ra-den using only this technique (no gathering needed), which easily allows me to afford a monthly WoW Token.