You know his flaws and like you said, you have strengthened him up for good trading indications and strategic trading of taking profits accountabilities and as well setting up the stop lost bots.
You did not talk about his financial management which could had been one major problem for him but ideally, he should not just trade on any listed crypto coins as due to variabilities of liquidations, he might just get tied of stocking useless coins.
He should be contented with any small profit but in a continues pace he would make it huge.