I find this useful, somehow. Nice guide. 9,5/10.
Quick tips:
* Don't cut smaller drops, like bars, bowstrings and etc., they add up to all the loot you get which also comes in profit you make there.
* If you're not teleblocked, use ancient obelisk near chaos elemental. This keeps you maintain distance from Pkers and much more escape from them completely.
* Also note that spectral appearing is random. You cannot get specific one.
* 90 Herblore is needed only for Ironman. Otherwise, Saradomin Brews are traded in G.E. very commonly for decent price. But I think you wanted to mention it like I did right now.