The second of this series of notes, the Insights note, edition 2, covers insights into the supply chains of informal enterprises. The frequency of transactions with suppliers is a major determinant in defining the type of supply chains for informal enterprises. The note discusses examples from the Financial Diaries research on the informal enterprises in each kind of supply chain. The insight note focuses on the supply chains of grocery shops with the maximum scope of intervention and provides recommendations. It also delves into other aspects of supply chains critical for IEs, such as modes of payment, credit periods availed from suppliers, and how IEs try to maximize their margins with suppliers.