What credit cards do you use?

Sufentil,
The card was probably an Amex card, most likely a platinum or black card. There may be other colors our wealthier A'gon members know of or possess. I know the Amex gold allows purchases up to about $10k, slightly more if you call and are approved. I think the platinum extends the ceiling to $50k and the black to $100k or more. I use my Amex card(just gold since I'm not rich) for the extended warranties (I think it still doubles the length of most warranties) and the handy reward points (I recently used these points to buy all supplies for a masterbath redo) and it keeps me from spending sprees since I know the full balance is due each month. Elevick is right about many retailers not liking Amex. Visa,Mastercard and Discover get between 1-2% of the purchase amount as a fee while Amex fees are 3%. Amex also charges cardholders a yearly fee - just because they can.

Michael,
I accepted a bank's offer of a Visa gold card due to the 0% interest for the first year. I transferred my balances from my other cards to it and that worked out well. But after the intro period they raised the rate to about 16% so I used the Amex card for larger purchases to avoid the usury charges.
After they charged me the $75 yearly fee one January, I reevaluated the benefits I was receiving for this fee and from the card. There were no reward points, extension of warranties or assistance with merchant disputes ike Amex provided. I no longer had any incentive for keeping it so I paid off the balance and cancelled it.
I think a lot of banks are issuing gold Visas and gold Mastercards in an attempt to emulate the Amex gold card's success and break into their market. They are wanting the additional revenues without adding any of the required costs that are needed to improve customer service, reward programs, etc. that actually increase the card's value to users. If you're attracted to the flexibility of making monthly installments, rather than your full balance each billing cycle, I beleive the Amex gold still allows you to do this with selected large purchases - you just need to call and arrange prior to purchase. I sound like a salesman but I have no affiliation with Amex. I;m just a satisfied customer and, yes, 'I never leave home without it', literally.