I ordered eggs from three different sellers through eBay. Two sets came on the same day. The other set was lost in the mail (Though it was actually sent out first).
I decided to start incubating the first two sets anyway. And a week later, the third batch arrived! I took the chance (it had been a winter storm in our area) and placed them in the same incubator...
...they began to develop.
As excited as I am...I now have the two batches in the incubator (with the automatic turner) and I am going into Day 20! The first wave of chicks is chirping and I need to A). Remove the turner and B) Try not to lose the second wave of babies!