Setting up QuickBooks invoicing for inventory management is simple. First, sign up for a QuickBooks account and choose the plan that best suits your needs. Then, go to the Products and Services section and add your products and services, or import them from a spreadsheet or another software. Enter the quantity, cost, and price for each product and service, plus a description, image, and category. Next, turn on the inventory tracking option for the products you want to track. After that, go to the Invoicing section and create your invoices with different templates or your own custom design. Select the products and services you want to include in your invoices, enter the quantity and price, and QuickBooks will automatically update your inventory and calculate the total amount. You can send your invoices via email or print them out, or even schedule them to be sent automatically at a later date. Receive payments online or offline, record them in QuickBooks with a linked bank account or payment processor for faster transactions. Finally, track the status of your invoices and send reminders or statements if needed.