Forum Thread
Expensive stuff??
Forum-Index → Help → Answered → Expensive stuff??You could also try fishing if you have a lot of patience and sell off the items from that.
Entering giveaways and the lottery can give you a chance to earn high-value Pokemon and other things to sell off.
But mostly if you have the amulet coin you can spam interacting and spend you GGC at the golden slot. (I recommend saving up for a few turns on legendary mode 100GGc per spin, or use basic mode to get a small amount of PD or even Vitamins, which sell for a bit too.)
That's all I can think of right now, I hope that helps. :D (I'm saving for my radar too.)