Should I get a gerbil, hamster or mouse?

In 2009 i got 2 guinea pigs and I had them until they died a few months ago :c I bought them with my own money and cleaned their cage and everything. But they were really lazy and only played when they were babies. So now I am thinking of getting a smaller rodent because I miss having a little buddy in my room. My... show more In 2009 i got 2 guinea pigs and I had them until they died a few months ago :c I bought them with my own money and cleaned their cage and everything. But they were really lazy and only played when they were babies. So now I am thinking of getting a smaller rodent because I miss having a little buddy in my room. My parents say I can as long as I pay for it, which should I get? A gerbil, hamster or mouse? I want something that is playful, I can keep in a small-ish cage, and that wont stink as much as a guinea pig. What would be the best?
Update: Also which would be the least expensive?
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