there are alot of times when you can get them for $1 I never buy them though because I Have gotten 6 of them for free as of now and will probally get alot more in the future
what kind of common. ive got to say, even though some regard them as ugly, most of the commonly called...well... commons have been very personable fish. cheap monsters too
i always consider them like oscars, some people love them, some people think they are ugly. they are for people that like personable fish over looks (obv. exceptions)