Same challenge re credit limit. Been trying to get it changed since end of March. Seven figure net worth, but retired so do not have payslips to show income. Struggling to get through to Barclaycard to talk through how to get a worthwhile credit limit. Raised a complaint which they say will be addressed within 56 days. Not using the card till I get a sensible credit limit and am hoping for an extension on the 3 month timescale for spending to trigger the bonus AVIOS