Which higher limit cards are the easiest to get? Which cards are the most generous with increases? Is it true that having an AMEX card makes it easier to get other cards? If so, should I try for it first? If I'm not sure whether I'll qualify for platinum cards should I apply anyway? (hoping that if I fail to qualify I still might be considered for another card) Also, is it true that the higher the limits on my existing cards are the higher the limit I'll get on new cards. If so, I guess it would be better to shoot for the highest limits first? Thanks for your help.