Nedbank savy bundle(credit cards and cheque account), every year i get about a decent amount of green backs. Since i started green backs 2~3 years ago i have a 8k investment growing and that is just from greenbacks rewards. So it is quite decent return.
here is some more info:
https://nedbankgreenbacks.nedsecure.co.za/p-11848-nedgroup-investments.aspx
http://www.nedgroupinvestments.co.za/
here is some more info:
https://nedbankgreenbacks.nedsecure.co.za/p-11848-nedgroup-investments.aspx
http://www.nedgroupinvestments.co.za/