One benefit is that part-time staff offer greater flexibility and keeps costs down for variations in demand while keeping costs low. For example, in winter months many retail businesses hire part-time temporary staff to manage increase demand, so if the business knows it will experience changes in demand it can hire part-time staff which can be paid less than full-time staff that it may not need at other points in the year.A second benefit is that it allows the business to bring in staff expertise without having to invest in a full-time worker. This means it saves money and gains skilled employees, which is likely to improve productivity of the workforce and lower costs in the long-run.