Genesis 28:18 Then Jacob rose early in the morning, and took the stone that he had put at his head, set it up as a pillar, and poured oil on top of it. What is in your house that is a physical reminder that your home and family are dedicated to God.
God instructed the Israelites to put His Word on The doorpost. Deuteronomy 6:9 You shall write them on the doorposts of your house and on your gates.
Have something as a reminder to those living in your home and those visiting that the house has been dedicated to God.