Any contact can be supplier, Customer or Both (Supplier & Customers)

To add a new contact in IsleBooks POS, just follow these steps:

1. Go to the Contacts section and choose whether you're dealing with Suppliers or Customers.

2. Click the "Add New Contact" button.

3. Pick the right contact type: Supplier, Customer, or both.

4. Once you choose the contact type, the appropriate fields will show up. Fill in all the necessary info.

5. If you need more details, hit the "More Information" button to see additional fields and provide more relevant info.

6. Pay Terms: Specify the payment terms for both suppliers and customers. This helps the system remind you about any payments due. You can define pay terms in days or months.

7. Customer Group: This feature lets you group customers. For more info, check the documentation.

8. Credit Limit: Set the highest credit amount a customer can have. If a sale would exceed this limit, the system won't allow it on credit.

9. Opening Balance: If there's a balance with the customer or supplier before you started using IsleBooks POS, put that opening balance here.

10. Advance Balance: Sometimes, customers or suppliers might make or receive advance payments. This field shows the advance balance for a customer or supplier.

Remember to provide accurate details. This helps you manage your contacts and transactions more effectively in IsleBooks POS.