expendable luxury
dispensable luxury

It used to be that growth was all, and profits an expendable luxury.

What basic crew comfort had she deemed an expendable luxury?

What might be considered an expendable luxury at home becomes a worthwhile indulgence at vacation time.

So far, neither carrier is reporting a decline in demand, but the doubt remains that leisure flying will become an expendable luxury.

But viewing sleep as an expendable luxury is a misperception - and one that is potentially dangerous, say doctors who study sleep.

Much of the deterioration is the result of price wars, which prompted one executive after another to zero in on customer service as an expendable luxury.

These days there are those who would topple the tiptop, claiming that haute couture - the business of made-to-order clothes - is a colossally expensive, expendable luxury.