Beginner friendly: Moderate

Building browser plugins can be a moderate side hustle to start for the average beginner. With no special skills or background, someone can begin earning a profit by learning basic coding languages like HTML, CSS, and JavaScript. Online resources like tutorials on YouTube and coding forums can provide valuable guidance. The key to success is taking the time to understand coding principles and practicing regularly. Setup costs range from $0 to $100 for software tools and resources. Profit can typically be seen within 2 to 6 months, depending on the complexity of the plugins developed and marketing efforts. I'd rate it a 3 because while it requires effort and learning, it is achievable for most people with dedication and persistence.