Trying out a 7-day no-spend challenge sounds simple—no extras, just essentials, for a solid week. Yet, this experiment gets people talking for a reason. A week without takeout, daily lattes, or impulse buys opens your eyes to habits you might not even notice on a regular day. Some take the challenge to save money quickly. Others want to reset after a season of overspending or test their willpower. Many are surprised by how much they learn about themselves, their triggers, and what really counts as a “need.”