日常用
citi divident or Chase Cash Plus Rewards Visa
5%grocery stores, gas stations and drug stores and 1% everywhere else. $300, 600 limit.
吃饭的
discover retaraunt 5% for restaurants of your first $1,500
others
Household Bank's 2% card - 2% flat ($400/year), targeted invites only
MBNA stockback 2% for 5k-6k purchase per month.