Using the right gas credit cards may yield you even better rewards than those you receive from general cash back cards. (thedigeratilife.com)
The underlying difference is that with a gas card, unlike general cash back deals, you earn the highest percentage of rebates at fuel and service stations. (creditcardeducation.com)
This remains true, most of that money is now in stocks, though I still maintain a modest general cash emergency fund. (retirebeforedad.com)