The Halloween Costume Needs Shoes, Shipping, and a Coat
The costume begins as a picture on a phone. It costs $24.99, the child is thrilled, and the decision seems finished. Then the picture turns out to show boots that are not included, a sword sold separately, and a thin jumpsuit that will spend Halloween night hidden under somebody's winter coat.
Halloween can turn a small purchase into a string of urgent ones. The costume needs an accessory so people will recognize the character. The accessory needs batteries. The delivery date slips. The school allows costumes but not masks or toy weapons. By the time the household has solved each little problem, a one-evening outfit has taken money from the next grocery trip.
A child can care deeply about the costume without controlling the family budget. The useful move is to set one amount for the whole job, then help the child build the strongest version inside it. That keeps the money limit from arriving as a punishment after everyone has already fallen in love with the expensive picture.
Write down every place the costume must work. A school parade at noon may have different rules from neighborhood trick-or-treating after dark. A party may involve running, sitting on the floor, or climbing stairs. The weather may call for a sweatshirt, rain layer, or warm shoes. A costume that fails one of those jobs may lead to another purchase three days later.