The aim of this article is to describe the everyday work of registered nurses and their views on what skills they use, require, and wish to develop when caring for persons in the home care system. As regards method, the participants comprised 20 registered nurses. Individual interviews were subjected to content analysis. The results reveal that registered nurses are in effect guests in a person's home. Registered nurses' everyday work comprises advanced nursing care, making difficult decisions, and solving fundamental nursing problems. Registered nurses have a negative attitude to using evidence-based knowledge. The conclusions show that the demand for advanced nursing care competence has increased. As consultants, registered nurses need to delegate and teach the staff basic nursing care. They need to develop competencies in psychiatric and palliative nursing care and improve their handling of specific items of technical equipment.