I see we can import special prices, but not quantity discounts. Is this correct, because I really need this!
Sep 24, 2018
thank you for your question!
Store manager for OpenCart allows to import special prices, discounts can be added in lower grid: https://www.screencast.com/t/8cZrTrmyctP
Please also vote for this feature request here:
The more votes the feature gets, the sooner it can be taken into consideration for development.