That's a great question! When you're living in the city, every dollar and every square foot counts. For the most budget-friendly option, I'd honestly point you towards a simple, classic step-on metal or durable plastic bin. You can often find excellent value in basic models from trusted brands like simplehuman or even well-reviewed generic options on Amazon or at home goods stores like IKEA or Target.
The key is to look for a no-frills design—a 12-16 liter (roughly 3-4 gallon) capacity is perfect for small kitchens or bathrooms. A step-on lid is a worthwhile minimal upgrade for hygiene and convenience over a flip-top. Opt for a neutral color like black, white, or stainless steel finish; they're usually the cheapest and blend with any decor. While soft-touch bins and smart sensors are nice, they add cost you might not need.
The true budget win is durability. Spending a little on a can with a sturdy liner rim and a smooth pedal mechanism means it won't need replacing in a year. For ultra-tight budgets, a sturdy plastic bathroom-sized bin can work in a kitchen if you empty it daily. Ultimately, the most budget-friendly urban trash can is the simple, reliable one you buy once and forget about.