In my opinion right now the market is still pretty unstable and I wouldn't personally spend a great amount of gold trying to merch anything, the only thing I would risk investing TIME in would be farming locked to sell at a later date (i.e as you may already know events generally enable you to craft an event lock from normal ones) unless sts decide to change the way that event locks are crafted (wouldn't suprise me lol!) it's a good way to make a bit of gold wether u craft and sell, or if you use plat open and sell any new gears that they drop.