Help me think of more? 
1. EXTENDED WARRANTY free1 year extra warranty for anything you buy.
2. PRICE PROTECTION you buy something for $2,000 find it for $1,500 within 90 days, they will pay you back for the difference.
3. SATISFACTION GUARANTEE if your not happy with your item, and merchant will not take it back, the credit card company will well past the 30 day return period.
4. PURCHASE ASSURANCE. if the item is damaged or stolen within 90 days of the date of purchase.
5. REWARD POINTS. Get upto 6%+ Cash back on things like gas, groceries, travel etc.
6. CONCIERGE SERVICE. They have more connections than you do, if you can't get a reservation at a restaurants, good companies like Amex or Chase can and will do it for you.
7. NO WAITING INLINE. Amex provides you with ticket purchases BEFORE they go public.
8. TRAVEL INSURANCE free
9. TICKET REIMBURSEMENT. If you have to cancel your trip you can get it refunded. There are MUCH more but that's just a few good reasons to use a credit card, of course they have to be used with responsibilities and those are the better card rewards and benefits, but if you have a decent credit card, using debit is subprime.
Seriously?
Starting Score: 504
Current Score: EQ FICO 819, TU08 775, EX "Who Knows?" Quizzle 756
Goal Score: All Scores 760+, Newest goal 800+
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