i have already worked for my local client for their vegetable home delivery system.
key featurs of that software
1)master Entry (Customer,Customer Group,Product,Product Type,Membership,Payment Term,Unit) 2)Retail Invloice
3)Order Process(Order,Ack.,Packaging,Warehouse Outward,Billing,Delivery)
4)Payment And Due
5)weekly & Monthly Statements
6)Reports
7)Database backup
8)Other Utilities