Scalability: Average

Building browser plugins as a solo operator can be moderately scalable. While the initial setup can be time-consuming, once developed, plugins can be distributed widely without the need for direct client interaction. The main limitation lies in the need for continuous updates and maintenance, which can become overwhelming for one person as the number of users grows. However, with efficient systems in place, it is possible to scale this side hustle to a considerable extent without hiring a team.