Flexible hours: YES

With a side hustle in sustainable packaging design and supply chain optimization, you can generally set your own schedule. Clients may have deadlines, but you have flexibility in organizing your workload. Online discussions suggest that this side hustle offers genuine flexibility, allowing individuals to work around their existing commitments. However, some mention that unexpected client demands or project complexities can occasionally disrupt their schedules. Overall, the consensus is that while there may be occasional time constraints, the flexibility of this side hustle is a significant benefit.