I'm not sure if this is allowed, and if it's not I apologize, but chewy has a 57-in cat tree for almost 50% off right now.
ARMARKAT GleePet 57-in Faux Fur Cat Tree & Condo, Beige - Chewy.com
ARMARKAT GleePet 57-in Faux Fur Cat Tree & Condo, Beige - Chewy.com