Just kidding, but yeah people just need to actually look at market and if they have the slightest interest of making gold, there are tons of options. But people basicly want 100k gold per day, without having to research for that niche and neither do they want to take long. I honestly wouldn't even bother helping someone that doesn't put the slightest effort in.
Tides of Vengeance will finally get launched today. All these new features will definitely surprise us all. However, based on the information raiditem.com knows, more new contents will come alongside Tides of Vengeance. And before you start a brand new journey, it's very necessary to check out what new features will come. You will find all the highlights below. In addition, don't forget to prepare enough WoW gold with you in case you may need to buy some items.

Rank 3 is terrible design, if they we're most open about how they drop etc. I, as a avid LW collector (Yes I have all recipes in-game but IIRC 1 from vanilla, few from TBC that was removed due to stupid design), and I still dont have all rank3 from LW despite plenty of runs through the 5 mans for em...Ill just wait for next exp or w/e and stealth runs.

Despite all of these problems and this laundry list of glaring systematic issues, the crowning achievement of Battle for Azeroth’s endgame is that it still remains enjoyable all due to those two pillars of raiding and dungeons. That won’t last forever. As the expansion goes on, and the grind necessary to progress becomes even more demanding and the time spent in content that simply isn’t fun increases, it will be harder and harder for raiding and Mythic+ to carry the expansion along.
I think what you're actually talking about when you say "niche" is the barrier to entry for new players. It sounds like you're worried that new players can pick up crafting professions and compete easier than before. Again, I'd say that the alpha build info in the OP looks pretty much the same as the current expansion. The true barrier to entry isn't the ability to level the profession quickly, it's actually recipe ranks. Some really good examples of this in the current expansion are rank 3 bracers, rank 3 flasks, and rank 3 felwort. It takes a certain level of investment to get those ranks, and the goblin activities related to those crafts simply aren't profitable/competitive without rank 3.
L La Croisade écarlate Alliance La Croisade écarlate Horde Laughing Skull Alliance Laughing Skull Horde Les Clairvoyants Alliance Les Clairvoyants Horde Les Sentinelles Alliance Les Sentinelles Horde Lightbringer Alliance Lightbringer Horde Lightning's Blade Alliance Lightning's Blade Horde Lordaeron Alliance Lordaeron Horde Los Errantes Alliance Los Errantes Horde Lothar Alliance Lothar Horde
If you're just trying to sell one item once, TSM probably isn't the way to go. But you can set it up to do things like "find all BFA mining auctions selling for 75% of the market value", buy those, and then use a single button to "post all BFA mining auctions at 90% of the market value". This won't usually net you tens of thousands of gold, but it's a pretty reliable income stream for pretty low effort.
A: There’s no deposit, and the Auction House does not take a cut of the gold for WoW Token sales. The standard deposit is designed to dissuade players from spamming the auction house with items that aren’t selling, and the standard cut is designed to dissuade players from buying and reselling items for minuscule markups. These issues don’t apply to the WoW Token, so there’s no need for a deposit or cut.
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This leaves players chasing an endless loop of trying to get higher level Azerite gear — which can only reliably be gained through raids and isn’t available in Mythic+ — but only the pieces with exactly the right traits will actually be an upgrade. It’s even possible that some items that should be huge upgrades are nullified by the loss of a specific trait that makes one ability do more damage than the others.

There's a few profession crafted pets in BfA on the horizon - Battle for Azeroth Tailoring is getting a Hot Air Balloon style pet, and BfA Alchemy looks to be getting a brand new Transmute Meat to Pet. There are some mount buff consumables from both BfA Leatherworking in the form of a mount barding, and Blacksmithing in Battle for Azeroth will be able to craft Stirrups and Hoofplates to increase mount speed and allow you to interact with things while mounted. 

Honestly TL:DR of any guide. Is learn your markets, it's as simple as that. Learn who's in it, learn what's profitable, watch different time tables. I've earned 2 million profit OFF 1 market and half set up TSM. I've barely tried before this I was a hardcore raider, only made gold over the years through BOE farming and run sales (which are goood, don't get me wrong) but I want to be making the multiple gold capped characters.

REDISCOVER AZEROTH AS NEW ALLIED RACES – Take a new form for your adventures as new playable Allied Races. Embark on a quest to earn the favor of the Lightforged draenei, Highmountain tauren, Nightborne, Void elves, Dark Iron dwarves, and Zandalari trolls to unlock each race and add their strength to your faction. Create a new character and complete the full leveling experience to earn a distinctive Heritage Armor set.
-Global Cooldown- Almost all spells are now on the global cooldown. This has slowed gameplay down quite a bit and you won't get to use the full potential of your spells cooldowns. For example, you cast a spell that increases your damage for 15 seconds, after the global cooldown and you're able to cast again, you now only have 13.5 seconds to make use of the remaining time. There are far too many spells on the global cooldown that shouldn't be.
Consumables (Alchemy, Jewelcrafting, Enchanting) – When I have gotten a toon to max level and managed to get all of the end game recipes/ranks, I have done well. However, I never have much luck with the lower level items. It feels to me like if someone is going to buy a gem, enchant, or flask, they want the best one or none at all. Maybe that comes down to the servers I play on, but it does make sense compared to how I play my own toons. I either am going to gear up a toon for endgame or not worry about it at all. Alchemy does have the benefit of transmutes which even the low level ones can make some decent gold. JC does have the MOP mounts and pets if you can get the recipes for them but otherwise these professions feel like max level or bust to me.
I'm aware that the LS chain can be xmuted up all the way up from GIO. This is great since it means ultimately you only need to track/acquire one item. The procs can certainly increase your profit margin, but as I said in my top-level comment the profitability of the whole endeavor is server-dependent. These numbers will of course vary from server to server, and for some it might be worth it.