Ferrets are NOT low maintenance. I don't know where you saw that they were low maintenance, but they are NOT. I had 2 ferrets, adorable things called Bandit and Sugar. They were amazing about 1 year old and they pooped, 25 times a day. They shat in every corner they were near. Anytime I took them out of the cage, which was AT LEAST once a day for an hour. Though usually I got them out for 2-3, and they were STILL fucking hyper and wouldn't stop running. You had to put down paper in every corner, I put news paper in every corner that they could go near when I got them out. It was shitty. On the plus side, they were amazing, they were really nice and playful and fun. They would jump and run and crawl, they made forts beneath pillows and sometimes they'd cuddle if you could get them tired. And overall they were a joy. But they smelled, like the worst things ever. Because they shat in their cage, A LOT. They smelled like shit, and they got shit on themselves all the time. And I had to clean them every month or they'd smell so bad I couldn't deal with it. And they smelled my room so bad we're replacing the carpet. I got rid of them after a year and a half of having them. Forgot to say that if you only get 1, it will be unhappy cause it won't have anyone to play with. So you have to get 2. And girl ferrets are what I got, and are WAY better then guy ferrets, because guy ferrets MARK. Meaning that they MAKE their piss smell horrible, like, beyond horrid. And guy ferrets hump shit. Make sure the girl ferrets are neutered, because if they aren't, they'll go into heat and die from too much hormonal trauma.
Sparknotes: Ferrets smell bad, shit a ton, require getting 1-3 hours of playtime every day. And require having their cage being cleaned every day. And are super high maintenance. Though, they're extremely fun and playful. If you have enough time for them, they're amazing. If you have school and work and skiing, I'd suggest not, because they'll smell bad and be unhappy.
Good luck with your choice.