I know most buy theirs online. I want to hear from those that raise their own. What do you raise? What do you feed them? Do you handle them while their growing? Are some pets, and you feed their offspring? Post pix of your cages. I'll start.
Here's my 2 rat racks. I was bored one day and stained them. The one the right holds the adults and pinkies, the left holds the weaned and growing. I spaced my tubs like this so I can check on everyone without always opening a tub. They get fed mazuri rodent diet. Most get handled.

Next is the rabbit hutch.

We feed the rabbits plain old rabbit food we get at the co-op. They are handled daily. We have 1.3 rabbits and they are strictly pets. Their young on the other hand...