Error! You must have javascript enabled to use this form. Please enable Javascript in your browser. QuickBooks Negative Inventory Does Not Have to Be All Negative Negative inventory in QuickBooks is caused when sales transactions are entered before the corresponding purchase transactions are entered. View full press release Your Name: Your Email: To Email: To BCC: Subject: Comments: We respects your privacy, the information you entered above will not be used to send unsolicited email, and will not be rented or sold to a 3rd party. Your contact information will be shared with the recipient of this message - Privacy Policy Send