You can get couple of your products listed online and offer a shopping cart to your customers in 30 mins. Take a look at this cart: https://fairbahikhata.com/vendor_profiles/9764935234
This is especially useful for small size businesses. For medium to large size businesses we offer Woocommerce.
Here is quick video that explains how you can use the system (keep reading for our ecommerce websites developed using WooCommerce and OpenCart):