Prevention is often a handful of small habits: track subscriptions monthly, use calendar reminders for trials, set automatic low-balance alerts with your bank, and adopt a short cooling-off rule. Tools like virtual cards, dedicated trial cards, or a single subscription debit card can contain risk. The goal isn't to be stingy — it's to make money flows intentional. The final question asks for the clearest, broad prevention habit that captures the essence of avoiding everyday money traps. Pick the option that is the best single systemic habit to reduce the common drains discussed across this quiz.