Aha!  Thank you for that.  I've been using quickbooks for mac for SOOO long (from quickbooks 1.0 long ago, thru the dark dead products time when I was forced to switch to the PC version, then back to the mac version we have these days!), I guess what I've done having ages ago entered a normal service item that I simply named "- Discount" and always enter negative dollar values with on invoices is effectively the same thing, but this "discount" type of item is probably specifically designed to deduct from and not add to totals?

I've been having a discussion in another thread about discounts and invoices and the more complex relationship between them that we really need in this product, such as an actual discount column one can activate on invoices to allow the user to apply discounts to each line item as needed to better tailor the tracking of actual revenue (this is especially important dare I say critical for business that do most of their invoicing for rentals and not sales...) each line item on an invoice is generating for a business after such a column is leveraged in reporting.

Thanks for the suggestion, and I wonder how many years ago this discount item came along and how long I haven't noticed it! :)