If I have a life estate left to me and my sisters can the executor of the will control us or the house?

No one can change what the deed provides. But, you probably need to consult a probate attorney to determine what your rights and responsibilities are.

You would need to go to court and file to open probate and become the personal representative for his estate.

How long does an estate need to be open before money can be received??

There are a lot of variables as to when the estate can disburse money. You should consult your attorney handling your probate.

How do I get a letter of administration?

You will need to consult with an attorney about opening a probate estate.

When both parents names are on the deed and my mom passed away first , does their children inherit moms property at his death ?

If your father's will was a valid, holographic will, that would be sufficient to leave it to the grandchildren.

Who will sue a bank that has allowed an account that was in Trust for me to be drained by an aunt?

The primary cause of action in this case would be against your aunt. There may not be any cause of action against the bank.

Heir and beneficiary ?

I assume the final accounting lists what you received (or will receive). If it does you don't need to worry about it.

Can i legally strip my daughters' fathers rights?

You can't unilaterally change his rights. You will have to go to court to restrict his rights.

Can I legally put up a home to sell if I own 3/4 and my sister owns 1/4?

You can't sell it without her consent. But if you send her a bill for her share of the upkeep she might change her mind.

Does the wife have a legal right to contest a will she was left out of?

The wife has the right to claim the spousal share of the estate. She needs to hire an attorney immediately.