Changing the occupancy can sometimes (though not often) be used to reveal different (more expensive) properties within a given star rating and zone. If the Sheraton and the Hyatt are both listed as 4* in the same zone, and the Sheraton sells to Hotwire for $70 for only double occupancy, but the Hyatt sells to Hotwire for $80 regardless of occupancy, you could effectively skip over the Sheraton to the Hyatt (assuming you can identify based on amenities) by changing the occupancy used in the search. I'd say this is a somewhat rare occurrence, but if you have time to play with multiple searches, it never hurts to see what you can reveal.