make a business modal canvas$($BMC$)$ and value proposition canvas$($VPC$)$ for a platform or website that student of university can sell or buy things through the platform just like e commerce. Other examples which is simillar to Ebay but for this bmc and vpc more focus on students.

For bmc must include key partners,key activities, key resources, cost structure, value proposition, customer relationship, channels, revenue stream and customer segments and for vpc just as usual