Stable income: Stable

A white-labeled marketing agency can offer a stable income source for those who invest time and effort into building their client base. From my own experience and online research, many individuals consistently earn from this business model, with some experiencing occasional fluctuations. Setting up a white-labeled marketing agency can cost anywhere from $500 to $2,000, and it typically takes around 2 weeks to start seeing profits. I'd rate it a 4 out of 5 because most months exhibit similar income levels, providing decent predictability for those who dedicate themselves to the business.