The only thing I assume why you keep changing accounts is you want to clear your betting history. Probably you are involved on arbitrage betting or fixed match betting that make you bet that huge amount with high profitability. You are already exposed that doing fraud by first telling here that you dont have another existing account before Steve provide some evidence that will invalidate your words.
Your money is really huge amount but you will not gonna have any problem if you win that fairly without doing any trick to take advantage on sportsbook.