Allow for negative quantities or unit costs to be entered on invoices to list "credit" or "discounts" through mobile app. Currently it only allows this using the desktop

Hi kyle35,

Your feedback is valuable and it's important your voice is heard. I recommend sending this feedback to our product developers by clicking the Gear icon and looking for Feedback. New product ideas and improvements are largely based on the feedback we get from users like you. 

Feel free to ask other questions, I'm here to help you achieve your QuickBooks goals.