This is a lazy way to be a stalker. If you aren't willing to do the work, you shouldn't get the rewards.

Capital One Rewards is a credit card issued by Capital One. If you aren't a member, you will need to apply for the card in order to benefit from the rewards the card offers its members. This can be done via the Capital One application page, over the phone or via the mail.

The VISA rewards offered by Chase include: cash back rewards, travel credit rewards, airline credit rewards, hotel credit rewards, retail credit rewards, and gas credit rewards.

No, anybody can play. Some of the rewards that can be purchased are only for members, though. The rewards for free to play aren't worth the time it takes to obtain in free worlds, so unless you are playing for fun, don't waste your time.

The rewards? Which rewards? There are hundreds of sagas/quests/cutscenes for which you obtain rewards. Which one? And what do you want to do to them?