Offer the ability to have customers pay when they come and pick up your order or decide to have all orders pre-paid before the order is sent to you...or both.

Note - This is dependent on your POS connection as some POS system don't allow cash form ordering providers. 

To activate/deactivate this feature. 

From The My Account Tab

1. Click Billing 
2. Scroll down until you see 'Do you still want to take cash payments?'
3. Select your preference 
4. Remember to save