Good idea but isn't a wise move. It will never be advisable to invest in Bitcoin using borrowed funds. We all know how risky crypto investment is and it could only cause you trouble in case you fail in your investment. Borrowing just to have investment capital won't work in the long run. You better save and allocate funds for investment. Bitcoin investment is not as easy as you think because its volatility is unpredictable.
Precisely for me it's not a good idea to take out a loan with a decent profit while we don't think about how big the risk will be later this also needs to be thought about and what if it happens, so I avoid it.
For me, a loan is not a good thing, especially for crypto investments which are full of high risk when volatility is difficult to predict, this kind of thing is not included in the management I planned, I certainly have to have my own allocation where when I want to have BTC it must be there when the price drops This will not be charged because it has been allocated differently from the loan where we have to return it at the specified time.