crochetpomelo

[small wagon]

Currently there isn't a built-in way to do this - you'd have to completely track and manage this on your end

[turbid flume]

So I create a coupon everytime i take some certain amount off the invoice?

[small wagon]

Yeah you'd either have create a new coupon for each invoice, or create a credit balance transaction to automatically apply some amount of credit to the next invoice