Spending all of cour bitcoins is never a good idea i dont think there is an explenation for this kind of things because spending all of your money in one time is not what called a smart stap.
Well it is not a recommended thing to do if you are going to spend all of your savings and you are going to convert it to bitcoin.
Because that is going to be a really risky thing to do. And if you are going to spend all of it for one time use only.
Then that is going to be a reason for your breaking your heart if you are going to fail with it.