Very nice idea pamela. But just a few considerations. How educated are these SME's? How willing are they to embrace technology? What is the average age of the owners of this SME's? These are also important questions you must ask. I have been thinking of implementing something similar in my native Nigeria, my case study is aliexpress.com. But the major issue is that, most traders and artisans are not literate or IT oriented, so getting them on the platform would take tons of promotion and extra hands.