Home Alone: 21 Behind-The-Scenes Facts You Probably Never Knew
It took about five months to setup, shoot and derig for scenes in the house, during which time the then-owners, the Abendshien family, continued living there, despite having access to an apartment that had been paid for as part of the deal.
Article source: https://www.huffingtonpost.co.uk/entry/home-alone-behind-the-scenes-facts_uk_6399ff18e4b015bb5741a354