(1) Angel told Abram his 90 year old wife was was going to have a baby next year. She did not believe and laughed.

(2) Asking the Lord if they could find any righteous in the city.

(3) The men of the city wanted to sin against the three angels and tried to break the door down.

(4) She disobeyed angel’s command “Do not look back”.

(5) Hagar and her son were cast out into the wilderness but God talked to her and told her Ismael would be the father of a great nation.

(6) This is something that each one must answer on their own. I personally believe he knew that even if he did kill Issac, the boy would be raised again because of the promise God made to Abraham.