Item 6 - if got you let me know please.

1st thing to do is go apply for Maybankard 2 Cards which can be easily done in an hour at 1U Maybankard Centre since you got MBB cards.

2nd thing is go apply for OCBC TMC.

3. Click here and see table I prepared for my MACH article comparing various cash back cards.

4. You need to go plan yourself on how to maximize the cash back for both the OCBC TMC and MBB 2 Cards. Example, expenses you have control on when to swipe (groceries), do it on Saturday and Sunday to get 5% cash back plus 5X TP with the MBB 2 AMEX.  For utilties bills RM700, you can use your OCBC TMC, which means you only have RM300 to spend on 5% cash back items before reaching the cash back cap of RM50/month.

4. TGV and GSC may also accept AMEX which is good for weekends. If you do go to the movies every Friday and mostly at TGV  on other days, look into Citibank Clear Card. Also click here to read my article The Best Credit Cards for Movies.

If you pump at Petronas only, I guess if you still have not hit the OCBC cash back cap, you can use it on weekdays. And once you hit the cash back cap use your MBB Petronas, best to use it on weekends to earn 8X TP. Having said this, some Petronas do accept AMEX, go check.