Originally Posted by PowerCum

I don't know how is it in USA.
At least here in spain my bank has never had problems with raising my credit card limits. One of my credit cards has 10k euro daily limit and 300k euro monthly limit. I use it to pay some big bills, and it has never been a problem. By default all credit cards here come with 600 euro daily limit, 3k weekly and 6k monthly unless you request it the other way, but it's solved by just calling your bank and asking them to raise the limits.