Would it be possible to maybe have a look at a V5 update I wish I had the skills to rebuild it for you but time is against me. Don’t feel happy about asking especially if it takes away your quality time "having a beer with your mates down the beach
To cancel the discount using order tags you would just deselect the order tag.
As for after submitted… don’t think you can alter order tags after submitted - not on default state workflow anyway.
Does this work on the latest version V5, I want to add 5% discount to the total balance not just individual items. It’s a member discount. Cheers Thomaxs