Originally Posted by
Thedevilshouse
Wait until you are very close to turning in 20 ores, at either 18 or 19/20 in my experience.
Then, have multiple people (the more the better) grab an ore and all turn it in at once by stepping into the circle at the same time. Me and my friends do this every time we can, and once we managed to get all four events completed at once. Most of the time we get three or two events, but it's still better than just one.
This is a really simple glitch to execute and it's a huge time saver.
Sorry if this has already been posted, my internet is slow at the moment which makes it hard to search properly.