Buy inputs
Select 'buy inputs' in the quick tools section. 
Run through the products available. 
Choose the product of your choice. 
Enter the order quantities required. 
Entire your delivery information and select your delivery period.
Select confirm to proceed with your order
Your order has been completed. 

Sell inputs
From the homepage select sell input. 
Choose a product from the list. 
Select the variant or click add New variant. 
Specify the unit size Example 50 kg or 100 kg 
Choose the unit metric from the drop down.
Enter the unit price for the product. 
Add the quantity and select continue. 
Confirm the sell order. 
Select the customer from your customer list.
Your order has been completed successfully.