the best reward point would be denying CC.
Once they do that, person look for better alternative and make necessary changes in their profile.
hard enquiry decreasing credit score is another best reward as they add value for next company, fulfilling at least some credit enquiries with reason thereof.
Went to Peter England store and bought a few clothes under buy 4 get 9 offer... asked the lady to swipe AmEx cards for 1500×4 + 1000×3 for 9196 order... got 1000 bonus points for both MRCC and Gold Card (did 3 swipe of 1000 each at Park+ for petrol)... completed 18K points, redeemed 18K points for 7K Amazon voucher, and bought a mobile for mother from the same...
bought a car (maruti brezza) using cc
tata neu infinity = 12000 neu coins
idfc first select = 2% of 2 lakhs
axis ace =2% of 2 lakhs
Bought a lenovo laptop. Had a disc code, combined with an affiliate cashback of 5%, paid via CC and received 10% cashback. The CC was an IDFC variant, so, I had obviously activated Kshushiyan First Offer. So, It should give some 3.5% around extra cashback on top of it. Paid the bill via HDFC billpay site n got 1% cashback. Nice naa.