I'm getting two rats soon, and my parents think I am spending way too much on them. I have a critter nation, but I need to buy new trays, so all of those combined is $150. Then on other stuff, wheel, water bottle, toys, etc, I have everything I need picked out, but not bought yet, and the cost of all those is $125. Is this too much? How many toys do you need to buy? I can't really think of what I would get rid of... but it's so expensive! I'm buying 5 toys, a lava ledge thing, 2 chews, a wheel, a water bottle, a litter box, ramp covers, a play pen thing, an exterior ramp, and two hidey houses. Is this more than I need?