You are right again Moreno233, some people here are using there writing to mislead newbies, as a newbie who has the knowledge of backup funds it will be better you even build your backup funds to some level before starting your Bitcoin accumulation journey or you start the two at same time and when you have reached a good level in your backup funds you stop and then continue with your Bitcoin accumulation, backup funds are very important in our accumulation journey from the starting till the end.
It is not compulsory for you to build your emergency funds to any level before starting your bitcoin investment if you don't have some amounts of money on ground to serve as your emergency funds before planning to invest in bitcoin. You will miss out many opportunities in the market that you would have supposed to use to build and grow your bitcoin portfolio within that period of time. However, the emergency funds is to backup your bitcoin investment should in case an unforeseen circumstances play out during your bitcoin accumulation. If you don't have your emergency funds, what are you backing up.
For those new investors so don't have any emergency funds available but only their discretionary income and want to invest in bitcoin can get started right away to avoid waiting because waiting is not the right thing to do. Start investing as soon as possible and build your emergency funds at the same time with your bitcoin investment, because you are a long term investor and will definitely be able to build up your emergency funds of at least three months of your monthly income during your accumulation stage.