Several outlets report on practical steps to help shoppers avoid “perceived scarcity,” a psychological effect in which promotions and store signals create an impression that products may run out soon. The articles describe common retail cues such as “limited quantities” signs and “buy now before it’s gone” promotions that can encourage people to buy more than they need. To reduce food waste, the guidance focuses on actions shoppers can take while shopping and after purchase. One suggested approach is to recognize these messages as marketing signals rather than true indicators of supply. The articles also point to planning before shopping—such as checking what is already at home and deciding what to buy—so purchases align with actual needs. Another recommendation is to set clearer boundaries during shopping, avoiding impulse buys driven by time-limited deals. Finally, the guidance emphasizes managing food at home, including using products promptly and storing them properly to extend freshness. Across the sources, the central theme is that small, mindful changes can reduce over-buying and the resulting waste.