I ended up finding a local guy called Taboo Exotics who makes PVC racks, but I got a 4 level 41 qt one... so Cake stays in his zoomed terrarium.
His difference in cost between a 4 level and a 5 level rack is apparently $310 and $440, which is weird. The 4 level was a prior named price. And then he adds that a 6 level is $450... His previously listed 9 level rack is $530. I said that I wanted a 5 level one, but the crazy difference in price between a 4 and 5 level obviously made me get the 4 level $310 instead. I didn't bother trying to negotiate the 5 level's price, because I think it is seen as rude for labor/creating type of work. But at least it's local and fully assembled upon pickup, so I don't have to struggle with assembly. LOL