Flexible hours: YES

When it comes to building browser plugins as a side hustle, the hours can generally be quite flexible. You can usually set your own schedule and work on your plugin development whenever it suits you. Online communities like Reddit and niche forums often mention that this side hustle is indeed flexible, allowing individuals to work around their existing commitments. However, some developers have highlighted that there may be hidden time commitments involved, such as debugging or updating plugins based on user feedback. Overall, the general consensus is that building browser plugins offers a good degree of flexibility in terms of setting your own hours.