This was most likely made for independent theaters that ran seedy B-movies about drug addiction, prostitution, female wrestling, and so forth.
That's because guests check in but they don't check out.
A woman and a man run from a car both nude.
Other films in this series include: Olga's House of Shame, The Defilers, The Love Girls, Rent-A-Girl, Olga's Girls, Motel Confidential, Venus in Furs, Sweet Sugar, Cool It Baby, All Women are Bad, The Ramrodder, Honey, women in prison and '30s French fetish films, Irving Klaw, Bettie Page, et al.
Unfortunately for his victims, they are not dead.