Close supervision is important because even though toddlers show improving skills, they lack sufficient balance, coordination, and judgment. (kidshealth.org)
Needless to say, you need to keep sufficient balance in your account, they best way to do it is to put the ECS through your main salary account. (mintwise.com)
However, if there isn't sufficient balance between activity and rest, you will quickly deplete yourself and suffer physical and emotional consequences. (chicagofamilydoulas.com)