It's hard to borrow when you know to yourself that you will have difficulty paying it off, it's better to endure than to be stuck in debt when you yourself created your own problem when you shouldn't have a problem, you know what this means.
Although trading is good, but if you are not that broad-minded and you don't have the capability to make passive income from trading, then forget about trading.
Correct especially on his case that he is planning to do futures trading with x5 margin which means his loan money has a high chance of being liquidated considering how volatile Bitcoin.
However, Bitcoin price is still on the range which he predicted so he might be profitable if he trade well during the loan.
The only problem is when he place wrong position on his trade especially when the price slide below 80K. This will result to massive lose with x5 margin.