Sponsored rentals are viewed by most of the rental seekers. You can tag your rental citywide, regionwide or countrywide and attract the audience. Your rental would be displayed above the featured listing.
Just fill the search form only once. Select the set of search criteria and give it a name. Use "Save & Search" button to store permanently this set of search criteria so when you come next time, you get the pre defined list of searches. Have a freedom from filling search forms every time for the same criteria.