The only cost is the filing fee, usually under $25.

School expenses are not the only costs that vary, however.

But we felt triumphant for having found it; and the only cost was gas.

The only cost is a couple of bucks for shipping.

Obviously, the only cost for the Essence club is the price of the magazine.

The only cost will be about enough food to feed a bird.

The taxes are the only cost that executives actually pay.

In the old Western history, the only costs were the obstacles that had to be overcome.

The only direct cost to employers would be any health insurance that went with the job.

The problem is that these are not the only costs incurred.