Children's week is upon us, and with it brings a few ways to make gold.
One way is to sell food required for the achievement
坏榜样, required for the meta:
With cooking you can make
美味巧克力蛋糕 and
美味蛋糕. You'll need
魔皇草,
小蛋 for the Chocolate Cake so if you haven't stocked up already you might need to go farm them.
The vendor Foods are mostly brought from
艾美 by the north bank in Dalaran (both old and new):
达拉然杏仁巧克力饼,
达拉然油炸面圈,
红色松软蛋糕 and
可爱的蛋糕块 (which requires first buying a
可爱的蛋糕, placing it down and looting it 5 times, the cake has a cooldown of 30 minutes so don't go crazy buying them).
Then the
提古勒的草莓冰激凌 can be bought from various vendors, for alliance the best one is probably the gnome between the bank and the AH in SW Trade District.
The other potential market would be looking onto investing in pets:
小新,
蛋蛋 and
威利 can all be obtained from doing the children's week questline, which you can do yourself (probably takes less than an hour to do everything) or from just buying them. Like other event items they're usually easiest to come by during the event so now is a good opportunity to start looking out for them going for cheap.
Personally I've sold a 1-2 of each of the vendor foods for about 2000g each and 10 the chocolate cakes for around 1000g each so far, but prices have already crashed pretty significantly after the event started, but that's to be expected. There are always going to be lazy people who will go to the AH rather than a vendor (or even bother to look up what vendor they need to go to) so it's worth a shot trying to milk them.