The 0% Credit Card Cash Flow Strategy: How Disciplined UK Investors Are Using Balance Transfer Windows to Fund Their ISA Before April's Deadline
With the ISA deadline on 5 April 2026 now days away, a growing cohort of financially literate UK households is deploying an unconventional tactic: using 0% balance transfer and purchase credit cards to free up cash flow, then redirecting that liquidity directly into Stocks and Shares ISAs or high-interest Cash ISAs. The maths can work — but only for those who understand exactly where the strategy breaks down.