Raising small animals in an apartment for a profit can be a rewarding venture. For those looking to get into the business, choosing the right animal is key. Rabbits, guinea pigs, and hamsters are all popular apartment-friendly options that can be raised for profit. They require minimal space and have low maintenance needs. Additionally, they have a short breeding cycle, meaning you can quickly grow a population of profitable animals. With the right care and a little business savvy, you can generate a steady income from your small animals.