I do not sign up a day before to potentially waste a roster spot. generally know if I can do a battle hour or less before. Family, life, etc get in the way from long term sign up. Sure I can just sign in the hippie I can do it. 30 minutes prior I can not go or retract. All I did was take a spot away from someone else. It is not asking much to get one final update 10 mins before a fight from the ai