There are different levels of scarcity. If something has a really HIGH scarcity, then it is REALLY RARE. On the other hand, if something has a really low level of scarcity, then it is very common.
A landscaper I know barters with companies all the time. Right now, he barters his landscaping service with Texas Roadhouse. He trades his service of mowing their grass, watering their grass and plants, and also landscaping their property in exchange for free food at their restaraunt!