C&C Alternatives Cage Option

It's a little less than the recommended size for two sows. It's not nearly big enough for two boars.

But you can make a much larger C&C cage yourself for way less than what that cage costs. A box of grids is roughly $25, a piece of coroplast is $15-$20, depending on where you find it. You could make nearly double that size cage for the price of that one. See the Main tab at the top of this page for information on making your own.

See this thread. You can make a much cheaper C&C cage.
https://www.guineapigcages.com/forum/threads/107825-Where-to-find-C-amp-C-cage-materials

If you'd still like to buy the Midwest cage, look on Amazon. The one on Petco site is expensive.

Thanks! I'll look into those

How would I go about making a lid? I do have a cat, so I have to be careful.

Closet shelving makes an awesome lid.

The cat may or may not be a problem. Many cats aren't any more than mildly curious about adult guinea pigs. The pigs are large enough that they don't look like supper so aren't of much interest to the cat. Guinea pig pups, on the other hand, squeak and run and look like mice, so they're definitely menu possibilities.

My own cage is open, and very occasionally I'll discover the cat in there taking a nap with the pigs going about their normal business. But when the cat was younger, I had to keep a lid on it because he was determined to play with them, and that was pretty stressful for them.

But you're wise to be cautious until you know how your cat and your pigs will react to each other. Better safe than sorry.

I've had the piggies for over a year, just getting to a cage upgrade. And he didn't normally seem interested in them at all, but I figure it is better to be safe. I don't mind when I can watch them all together, but there's a lot of moments when I might not be able to.

Here are some pics of cages with closet shelves lid.
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Kmart he grids on sale for a six cube it's $19.

Sears has 6 cube set (23 grids) on sale for $16.99. You only need one box, if you're not building a cage stand.
https://www.sears.com/stor-floor-standing-6-cube-storage-unit/p-00913332000P

Home Depot's 3x6 ft coroplast is $13.86
One sheet of this can make up to a 2x4.5 C&C cage
https://www.homedepot.com/p/72-in-x-36-in-x-5-32-in-Twinwall-Plastic-Sheet-COR-3672/202771364

$15.44 for a 4x8 ft sheet
One sheet of this can make up to 3x6 C&C cage.
https://www.homedepot.com/p/Coropla...te-Corrugated-Plastic-Sheet-CP4896S/205351385