That's an excellent and very practical question. The short answer is yes, there is typically a significant upfront price difference, but the full cost picture is more nuanced. Generally, you'll find that metal trash cans, especially those made from stainless steel or coated steel, carry a higher initial price tag than their plastic counterparts. A heavy-duty plastic bin might cost significantly less upfront, making it attractive for tight budgets or temporary needs.
However, focusing solely on the purchase price can be misleading. Metal bins, while more expensive initially, often offer greater durability and longevity, particularly in high-traffic urban areas. They are more resistant to vandalism, extreme weather, and don't become brittle over time. This can mean lower long-term replacement costs. Plastic bins are lighter and easier to move, and won't rust, but they can crack in very cold temperatures or fade and degrade under constant sun exposure.
For a public park or a city street, the decision often comes down to total cost of ownership versus initial budget. If you need many units immediately, plastic may be the only feasible option. But for permanent, critical locations, the investment in metal often pays off over years of service. So, the "significant difference" really depends on your timeline and priorities—saving money now, or investing for the long haul.