I personally like the idea of a feed schedule and the animals seem to really get dialed in on that day.

On the other hand I've heard of people not using any type of feeding schedule with the idea of keeping the snake in an opportunistic feeding mode. The animal never is for sure when food is coming. It could be 10 days after it's last meal another time 3 and another 14. So hypothetically speaking the animal should refuse less often because it just doesn't know when another meal is going to come along. Interesting stuff