Need Discount line
I could use a Discount button or line on Invoice... Showing what i'm discounting.
1
vote
Darren
shared this idea
This is already there.
Just make a product with a negative dollar amount, or add a manual line item with a negative dollar amount or negative quantity.
We use negative dollar amount for a discount, and a negative quantity for a return.
There is also a post on the blog about discount by percentage – take a peek at that too