I have a child that has a copy of my passwords and access to all estate documents.
I pay most bills a month ahead so at death there will not be missed payments the first month. Credit Cards maybe a little harder so have a payment that is enough to avoid the late payment fee go out automatically each month.
You can also use bill pay to send a minimum amount each month. Just be sure you are moving money into the bill pay account from dividends etc. In short sent up automatic process to move you money around each month as needed.
Look at FidSafe. This maybe something you want to use to store your documents and it has a provision to let the named individual in at your death.
https://web.fidsafe.com/#/
Some financial sites let you name a "trusted" individual to help out once you die.
Remember each state has laws on anyone accessing digital accounts so check your state to make sure your executor is not locked out of your accounts.
At year end I keep all statements so the account number, address, etc can easily be identified by my executor. I would include a copy of the online only statements.
I assume your accounts are all joint. But you still should name beneficiaries for all accounts to help with probate.