Amazon offers the Iris 3-Tier Cat Tree Condo in Treehouse for $37.99 $36.95 with free shipping. That's the lowest price we could find by $24. It features one "hide-away" perch and measures 25.6" x 20.5" x 41.3".

Update: Note that this item is temporarily out of stock, but can still be ordered at this price for delivery when available.