gas prices

Speaking of gas stations, is gasoline the only product that the price is always posted publically outside the retailer?

I know some products like roadside shrimp, roses, or produce have signs touting their cheap prices, but those products are also sold in other places without the ads.

Gasoline is exclusively sold by gasoline retailers…and they always post the product price at the street.

I just find that interesting.

[tags]gasoline, gas prices[/tags]

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