Hey Peter,
Thanks for the quick response.
Omg. Due to this link you sent me, I found out the very last part I had to know - and now it works!
Omg thank you so very much. I have been asking for this SO many places - Facebook groups, Plugin supporters and more, and first NOW, I found the solution thanks to your link!
I didnt manage to get it fixed with the solution on that link, but it pointed me the right direction.
Check my example here (below the product):
https://www.fgroupmedia.dk/produkter/anbefaling-til-indkob-af-nyt-udstyr/