They’re a marketable market force who protect boundaries. You must have seen the notice: Beware of the God!
Starting off as Etruscan rustic defenders of cultivated fields, the LARES were promoted to public office and put in charge of homeland security and protection of the Roman state.
Eventually their franchise expanded to personal spaces and they became indoor deities. Every home would have a small shrine; one or two LARES standing in the hall and holding a tray — ideal for depositing small gifts, visiting cards, fruit, and household keys.