It's best to contact our sales support to accommodate your concern right away. They can provide you accurate information about the pricing of the product and might be able to share with you a better way to get a discount to use QuickBooks. Here's how to contact them:
Log in to your QBO account and go directly to the Help icon.
Click the Contact us button.
Type your question in the search box.
Select Let's talk. Then, Start a Chat or Get a callback.
I'm adding an article that contains information on how you can manage sales transactions and expenses: