1. From the point of view of merchants, this is reasonable to some extent. Barbecue requires a lot of gas and barbecue ovens, which directly increases the cost of merchants. Charging gas fee can subsidize this part of the cost to a certain extent, which is beneficial to the profit and operation of merchants.

But from the consumer's point of view, the cost of barbecue should be included in the price of dishes. Charging extra gas will increase the travel cost of consumers, and it is not consistent with the charging methods of other restaurants, which will have a certain impact on the consumption experience and is not reasonable.

3. If the barbecue shop has considered the gas cost when pricing, the extra charge is repeated charge, which is obviously unreasonable. Therefore, it is necessary for the barbecue shop to reasonably calculate the cost factors when formulating the price structure, so as to avoid repeatedly considering the gas cost.

4. There are also some barbecue shops that let customers bring their own fuel, which can reduce the cost of merchants to a certain extent and avoid the problem of repeated charges to customers. However, it also makes it more difficult for customers to use, which is not very convenient for some customers.

Therefore, on the whole, it is still controversial whether the barbecue shop should charge gas fees. This requires comprehensive consideration of cost-benefit and customer experience. If the fuel cost has been fully considered when pricing, the extra charge is obviously unreasonable. However, if the fuel cost is high and it is difficult to fully take into account the price, it is also a compromise to adopt a certain gas fee or let customers bring their own fuel.

This requires barbecue merchants to fully estimate all kinds of cost components when formulating price and marketing strategies, and take into account the experience of different customers to provide a reasonable and preferential scheme. Let both parties feel fair and satisfied, which is the best business choice. If the price is appropriate and the service is excellent, most consumers will understand and accept a certain gas fee.