User blog comment:Belthazar451/Tactics: Earning money from selling monsters/@comment-5832451-20130616153957/@comment-7326455-20130616212429

"220,000 per day" assumes constant successful breeding. The issue is that if you try for a Deedge with Thumpies and Toe Jammer, and you get a Toe Jammer, it's going to be stuck behind whatever else was hatching at the time, and you'd get basically nothing that day. Or that half-day.