I want to start my hobby again and invest on a rack system. I do plan on buying bigger cages but that's down the line. My question is, what size tubs should I start with? I have an idea but would love to hear your suggestions. I don't want to start too small because then I would have to keep buying bigger and bigger. For example, would a 23×16×6(32qt) or a 33×17×6(41qt) be good to start? I do plan to have some boas as well.