Discover Credit card. Apply here : https://refer.discover.com/s/i33ja

-No Annual Fee
-Earn $ 50 bonus if a purchase is made within 3 months.
-5 % cash back rewards on a special purchase category each quarter.
April-June: Gas, Uber, Lyft, July-Sep: Restaurants, Oct-Dec: Amazon
1% for rest of purchases.

-The total rewards earned by end of first year will be credited again to the account, which means double the amount of rewards for first year. Thus 10 % for the special categories !

-$ 20 bonus every year if CGPA at college > 3.0