ok.. Your article is super informative, single place to all queries.. I read your article & still lost some eth in failed transaction due to low gas..

https://etherscan.io/tx/0xab645b8a38a9c60beb3fd77e61c50aaeaffef11724aa7decf430dcb9b037cbef

Why this transaction failed.. I put 150000 gas, 1.1 gwei & it still ran out of gas where minimum gas was 90000..

Please explain