Complementary products are types of products that tend to be sold together or complement other products. An example of this product is a plastic bag. This type of product has stocks in the inventory but it does not increase or change your income from the Sales Reports by Product menu.
Table of Content :
I. How To Create Complementary Product
II. Transaction Using Complementary Product Type
I. How To Create Complementary Product
Step 1. Select Add on Product Menu
To add your new product to the Product Menu then press Add button.

Step 2. Input Product Form with Complementary Type, then Submit
When inputting the Form Product input the required information and select "Complimentary" for the product type then click Submit.

Step 3. Product Type Complementary was Successfully Created
If successful, the product with the Complementary type that you created will appear in the product list.

II. Transaction Using Complementary Product Type
Step 1. Make a Transaction
Go to the sell menu and create a transaction using a Complementary product.

Step 2. Recheck Recent Transaction
Go to the Report Detail, and see the latest transaction with Complementary Product.

By default, the complementary product will be excluded in the Report Detail. If you want to show the report for Complementary Product, you can Tick the filter like in the image below:

The Complementary product will be displayed:

Complimentary Product Type Tutorial Video
You might also like to read these related articles below :
If you want to create Shipping or delivery costs, you can try to make the Non-Inventory product type. For more information about Non-Inventory product types, you can read this article : Non-Inventory product Type
To make a Shipping cost product, you can read this article : How to Use Shipping or Delivery Costs
To export product data : Export Product Data