I think we can use it for even bigger investments. if we immediately spend it, it will only be wasted. we take advantage of the moments where we get great capital and we start to invest even more.
I think you should really consider doing it legally because it can cause you many problems in the future, especially if the number will reach millions. and depends on where you are, but generally it will be easy if you just convert your crypto into cold cash with a face-to-face meeting. It will be difficult if you need to transfer it to the bank and trigger a sort of AML or contact your government about it. Only under the radar through methods that cannot be tracked like cash.