. It is said to invest with discretionary income for investment, because you do not need discretionary money very much. The amount of money left after deducting all your expenses is your discretionary income. You need discretionary income only when you are in the midst of some kind of financial crisis or.
I think you are getting confused here by what you are saying here, the purpose of investing with discretionary income is because since it's the money left after all expenses has been made, you wouldn't be that troubled if your Bitcoin investment didn't goes as planned, so you saying that you need discretionary income when in the midst of financial crisis is wrong.
. That is why it is always said that it is better to invest with discretionary income. If you invest with discretionary income, the possibility of continuity of investment is very high.
just as I have said already, the primary purpose of investing with your discretionary income is because since it's a money you can afford to lose, you wouldn't be contemplating on suicide in the future if Bitcoin didn't go as planned, because it's a money you can afford to lose, but for consistent accumulation of Bitcoin, constant discretionary funds needs to be coming in either weekly or monthly.
But yes, anyone can invest through any method, can invest with any source of income.
No, you don't invest with any money that enters your hand or any source of income as you called it, your invest in Bitcoin only with your discretionary funds, once you can figure it
onceout from your source, their is nothing stopping you then.