House calls are not an extravagance. As a matter of fact, they make a lot of sense. They save time and money that would be wasted on long waits in an Urgent Care or waiting for an appointment. You might be too sick to get out of bed. There may be no one to tend to the children or other dependents in your absence. Asking Dad to leave his job could be expensive.
And then there are the not-so-urgent-yet-equally-sensible house calls:
Administering vaccinations for: