Flexible hours: YES

With the Smart API Design and Mockup Generator side hustle, you can set your own schedule as it typically does not have fixed hours or shifts. Users online often mention the flexibility of this opportunity, allowing them to work when it suits them best. However, some have noted that there may be hidden time commitments involved in managing client demands or specific project timelines. Overall, the general consensus is that this side hustle offers a good level of flexibility for individuals looking to work on their own terms.