What if it worked like the carts at Aldi? Put something reasonable like 3-5 bucks on the sale amount, and redeem the same amount when returned.

Yes, that is also how the deposit on a can of soda works.

i pay 25c to leave my cart in the lot

	▲	anonym29 5 hours ago \| parent \| next [-]
		You paying a nonzero cost for creating a negative externality is an improvement compared to the status quo, in the context of this economic philosophy of discouraging production of negative externalities by aligning economic incentives.
	▲	pests 2 hours ago \| parent \| prev [-]
		Congrats.