Our cat tree was purchased in 2000 and has withstood nearly daily use by two large (>15 lbs.) cats. We got a ceiling-high "modular" tree designed for very large cats, and it's been worth every penny. A few parts of it have been replaced twice, its base once. The original covers were removable and machine-washable. I steam clean the current elements (from 2014) every few months. This tree was originally beige and had 3 beds. Mowgli prefers platforms, so that's what he got.
I really recommend getting a tree with parts you can reconfigure and replace as time goes by. They're a bit more expensive initially, but save a lot of money in the long run.
I really recommend getting a tree with parts you can reconfigure and replace as time goes by. They're a bit more expensive initially, but save a lot of money in the long run.