A compromise service is a service that is performed in return for another service. An example of a compromise service is a hotel handing out discount coupons to patrons for a certain business. The business, in return, might let the hotel advertise at its establishment.

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You may be able to return a service through Whitepages from the seller in which you originally purchased it from. If you are unable to return it to the seller, you could advertise the service and sell it for a lower price.

A fee? Or maybe a tip? Depends on the context.

Mr. Jones the internal revenue service would like to visit with you about your tax return?