Hello @john_davis2
add special price into the rule
search for special_price and make sure 'Use for Promo Rule Conditions' set to Yes.
then create rule and add condition
special_price >= 0.1 is FALSE
more info
https://magento.stackexchange.com/questions/150528/doesnt-apply-coupon-on-the-already-discount-produ...
if works then mark as solution
Problem solved? Click Kudos & Accept as Solution!
Sunil Patel
Magento 2 Certified Professional Developer & Frontend Developer
