Here's how I boosted my credit limit by $20,000 in under a minute, and it all started with a simple cash back card that fits my everyday spending.
The Points Guy on MSN
Amex Platinum authorized user card vs. companion card: Which is best for your family and friends?
What's the difference between being an Amex Platinum authorized user and having a companion card? We dive into the pros and cons of each.
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