A lot of successful businesses, small and large, choose to employ independent contractors for a number of reasons. One perk in particular that business owners find very attractive about hiring independent contractors over employees is the severe reduction in overhead—payroll, health benefits, and various other expenses.
However, hiring independent contractors does carry disadvantages, one of which is an unpredictable work schedule. Chances are good that you are not the only client that a particular contractor is in cahoots with. 
Source: https://www.entrepreneurshipsecret.com/good-payroll-software/