Read in context
Jesus speaks to troubled disciples as his departure approaches. The promise belongs to a conversation about trust, his relationship with the Father, and his continuing care for those who follow him. Read the whole chapter rather than isolating the language about rooms.
What this passage teaches
In this identified paraphrase, Jesus invites trust in God and in himself, promises to prepare a place, and presents himself as the way to the Father. The center is belonging with him. His promise gives a foundation for hope while grief and uncertainty remain real.
What it does not establish
Translation choices about rooms or dwelling places do not provide a blueprint for private mansions. The passage does not authenticate a modern account of visiting a house in heaven, and it does not tell us every detail about life after death.
How does hope change when its center is being with Christ rather than possessing a particular place?