We live this cage, but the bottom is not ...
592311
We live this cage, but the bottom is not smooth. It's textured so it is hard to clean. I line it with a shower liner from dollar tree and a fleece blanket. If the bottom was smooth I would have given it 5 stars.
4147826
Our cavy loves this thing. He is in it about 75% of the time. It has no bottom like we hoped so we are very happy with it. It is very sturdy and has held up to even some chewing by the bunny,who will not go in it, but seems to love how it tastes :)
2759247
It helps my gerbils makes mounds sorta kinda, but I can barely get the doors closed all the way on both tiers; terrible design. I would suggest lining your cage with either plexiglass or a wire mesh a few inches from the bottom.
3500999
The cage did not come with instructions, but I was able to figure it out after a few tries. The problem with the cage was that the bars are too far apart for the floors and bottom of the cage, and our dwarf hamster kept falling through them when trying to walk. The bedding also fell through. I think it would also be very easy for the hamster to escape- but ours only lasted about 5 minutes in it before going back to her old one.
90481
Not the best clips, but haven't found any I particularly like on this type of cage, it does keep the animal from escaping which is the point. You should not pick up the cage from the top anyway, always support the bottom.
2926497
Better clips to hold the bottom of the cage to the top would make me give it a five. If someone picks it up from the upper part of the cage the clips sometimes give out and the bottom of the cage falls off the top.
3105921
This cage is well built and holds up to the jobs. However, for our use anyways, we needed to make some modifications to it to make it better suited for the calves.

The main issue was the door. It was heavy (and when I mean heavy, let's say it's about 1/3 to 1/2 of the total weight of the cage) and it was too much. So we just used some other materials that were lighter.

Also, instead of the door being a ramp, we made it into a swinging door. I had to remove the hinges at the bottom and weld them onto the side of the cage to make it functional.
1766790
I immediately knew the photo must be photoshopped when I didn't see any kind of hard bottom mentioned anywhere in the  description. I bought it anyway. When my rats are in it, the bottom rounds out and it no longer looks square. Again, not a surprise, but it is very unlike the picture. My rats seem very happy in it. Being the dorks they are, I keep finding them hiding on top of the cube, pressed up against the ceiling of the cage. Also, the hooks are not put on correctly, but a few zip ties fixed that easily. Overall, it has it's flaws, but I'm still really happy with it
1404680
The cage is quality built, but the screws at the end to connect all four sides were not tapped correctly resulting in an off shapened rectangle, with the vertical parts, and the extender tubes bowing inwards.  I moved the screws in one hole and it is better, but less room to hold the monitor.  :-(  I will try it for a week to see if that becomes problematic.  If so, back not goes.
1610471
The cage arrived in a box that was literally trashed with missing pieces and the bottom of the cage severly broken.  When we tried to contact the company on the phone number listed in the packaging the call went to an employee's private cell phone!  The woman was a shocked as we were.  She was kind enough to let her employer know of our problem the following Monday.  Then it took another two weeks to finally receive the missing parts.  In the meantime our bunny was living in a cage with a leaking bottom, not cool.  Now that all the parts are here and we have a new bottom we are happy with the cage.  We do feel it is a bit expensive for the quality of the plastic parts; however, we searched high and low and this seemed to be the best indoor cage we could locate.
4676214
Bottom is narrow and it tips over easily... it would be a great improvement if the bottom becomes wider to avoid tipping over.
2732250
This is a pretty good cage for transporting rats when the bottom is supported, but when carrying the cage by the handle, the plastic bottom of the cage came unhooked, dropping our pet rats to the floor. The plastic tabs on the bottom of the cage do not secure well to the metal sides. We are going to use zip ties to permananently connect the plastic bottom to the metal top. Since the whole top opens up, you don't necessarily need to disconnect the bottom from the top, unless you plan to do it for cleaning. Our reason for rating this as a 1 star cage is directly related to the compromised safety of our rats.
4525737
I love this cage, it comes with a textured back panel that is perfect for animals that like to climb. It holds humidity great. This cage comes with a pretty big bottem panel below the doors so that a good amount of substraight can be used. The only problem that i have with this cage is that there is a small gap at the top between the cage and the back panel, and my crested gecko likes to climb behind it and sometimes get stuck. I just took a couple of pieces of double sided tape and ran it across it and the problem is solved, other than that this is an amazing cage in every way.
969541
I bought this ferret nation cage used  so I did not have any of the assembly issues but find it very well-built, and I must say I love it except for the bottom pan!!  It is not tall enough for a ferret who uses the corners to go potty.  My ferret is young and doesn't always use the litter Pan. So it's making the cleanup kind of tricky because the potty goes over the sides and ends up on the floor (yuck). I did buy the scatter guard which helps but then the pee goes underneath the scatter guard because it just clips to the bottom pan, and then you're trying to get the pee & food out from underneath the scatter guard (good grief!) much longer clean up time than it need to be!!! Why doesn't ferret nation make a higher sided pan for the bottom??!!  Do they not own ferrets and see what the problem is??? It would make their cages much more appealing to the public instead of having to mess with these silly scatter guards.  Make a replacement bottom pan with higher side I would gladly buy that!!!
3223243
The flooring to this cage isn't as good as the 42 inch. I wouldn't buy another 36 inch but the 42 is worth it.
3049421
I like this cage a lot. The doors on front are very large. To me it seems sturdy. gets dirty very easily though (if you have chinchillas and use dust bath). Great idea for the space below the cage, perfect for organizing foods and stuff. I don't use the plastic rails, because the chinchillas love to chew on those and usually swallow whatever they chew, but I put wooden  plots inside, so its fine.
Great thing that the bottom part when it fills with poo is so easily removed to be cleaned.
Assembly wasn't bad, I managed to put it together for about an hour almost alone.
2960585
While the cage itself is built well, the stand it comes on is very rickety. I've found I can stabilize it by leaning against a wall, but I shouldn't have to do this. My only other complaint is that one of the ramps seems to be much shorter than in the picture. While I've adjusted the levels to work, the ramp from the bottom to 2nd floor is very steep, but doable. I will probably find a cheap table or another stand to put the cage on however.