If you are trying to save some money Tuesday & Wednesday's are the cheapest days of the week for all units.
Normal times for specials and or lower rates for Treehouses only are as follows:
All of January during the week (Treehouse's only ) There are both stay two nights get 3rd free and 2 night specials
All of February during the week, except around Valentine's Day (Treehouses's only ) There are both stay two nights get 3rd free and 2 night specials
Aprox Aug 16 to Sept 15 during the week (Treehouses's only )
Thanksgiving special on some 3 night stays (Treehouse's only )
First Two weeks in December (Treehouse's only )