Open two more accounts at your bank. Code the first accounts as "deposit only", automatically reject any withdrawal requests against that account. Code this acc

Open two more accounts at your bank. Code the first accounts as "deposit only", automatically reject any withdrawal requests against that account. Code this account for sweep to the second account every night. Activate positive pay[0] on the second account. Do not ever give anyone access to the second account. Code the 3rd account for positive pay. That's the only account you are going to withdraw the money from. Stop using debit cards. Only use credit cards. Pay them via positive pay from the 3rd account. Stop using pull. Only use push. Only target the 3rd account with positive pay as the source of funds. You should look at family office setups anyway. It used to be something that was done at 100M level but these days the services became cheap enough that it makes sense at 10M level. [0] Switch to a bank that supports positive pay for all electronic transactions.