I think I saw you say you use Square for your credit card donations, correct? If so, then they are just sending you the 'net' amount of your sales/donations not...
First you shouldn't be doing all your days sales into one sales receipt, each sale should be it's own sale. If you are using a credit card processer like PayPal...
When I tried your example above of adding a negative amount n QB online it produces this errorSomething's not quite rightYou must specify a transaction amount t...