Milli doesn't have any daily limits on the amount of money you can transfer, but it does have limits per single transfer.
For transfers from FNBO: all transfers from FNBO accounts have a limit of $250,000. For example, if you wanted to add $500,000 to a Milli account, you'd need to complete two $250,000 transfers from your linked FNBO account.
For transfers from external accounts: all transfers from external bank accounts have a limit of $10,000. For example, if you wanted to add $50,000 to your Savings, you'd need to complete five $10,000 transfers from your linked account.