How to prepare for repair correctly

If you are going to make a major overhaul, a lot of difficult problems falls on you from the very beginning. Everything that has been accumulated over the years, you need to put somewhere. Sell? Transport to the country? Store in some room, and then move to another? Go to friends or stay in the pantry? The builders have only one answer to all the above questions: the apartment needs to be completely released, leaving only the bare walls.