 It is also considered a type of boarding house typically operated out of a single family residence where guests can be accommodated at night in private bedrooms (which may or may not be equipped with private baths) and where breakfast, sometimes continental and sometimes the full English variety, is served in the morning.The business may be operated either as a primary occupation or as a secondary source of income, and the staff often consists of the house's owner(s) and members of their family who live there.Because they are usually small, rarely with room for more than about 5–6 guests, it is advisable for anyone wanting to stay at a particular casa particular during high season to make advance reservations.