We can also consider that investing with an emergency fund may come in a quick demand in seizing for an opportunity to invest,
Emergency funds are to be strictly kept for emergencies. It is best to maintain this discipline and not tamper with it unless we are faced with real emergencies since we do not know when the emergencies shows up and wouldn't want to be taken unawares and risk tampering our portfolio in order to solve them.
Emergency fund should not be use for anything except for an emergency and in urgent situation. If you mix the fund with the investing, you will loss your investment because you will use your investment to cover your emergency. That will make your investment amount reduce while you will difficult to accumulate more and more. We could be in an urgent situation anytime because no one can know the time. We don't have to tamper that fund because that fund is only for emergency funds and not for other things.
It is why we must have discipline and strictly to allocate the fund in the right place. If we are in the urgent situation, we can use that fund and cover it without disturb the other money in their places. We don't have to borrow other people money because we can handle our emergency need without a problem.
The primary purpose of emergency funds is to cover up and stand as a shield to your holdings, so that under no circumstances will you temper with your holdings in the future, so if you stupidly use your emergency funds to invest due to the fact that you feel that it's a dip that might not come again, though you might be right that it might not come again, but you are doing the right thing the wrong way, because at that particular time, if any emergency situation arises, you will definitely temper with your holdings which is not the right way to go.
So for a situation like this where their is a dip and you feel like buying then, but no discretionary income then, that is where reserve funds comes in and play his role, because that's the money that will be used to purchase Bitcoin then, not your emergency funds.
So as we are investing through any accumulating method, let's not forget to do proper budget in allocating money for investing, emergency funds and reserve funds, so that no matter what life throws at you in the future, your holdings will still be intact, and is appreciating in unit, because the size of your stash is what's going to determine how successful you might be in the future.