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.
Its not a smart thing to put all money in bitcoins, as we all know that bitcoin is unpredictable and if things doesn't go in your favor then it will make you beg on the streets for food.