Re: Some general questions from a potential owner!
Since you asked for more input, I thought I would add my husband's take on having a hedgehog. Now grant it, he is very scent sensitive, but the first week we had her there were a lot of complaints about the smell, but only when he was upstairs in the room our Sweet Pea lives. I asked about it on this forum and we were able to reduce it quite a bit by cleaning her wheel every day with a 1/2 vinegar and 1/2 water spray. It helped a lot.
I was also told that the young hedgies have a stronger urine scent but that it lessens as they get older.
Over all I think they are far less smelly than other pets.