there are groups for all ages ive seen little kids to people in their 60 - 70 probably older at cosplay events lol
Yes there are Cosplay groups in Sacramento at Evangeline's in Old Sac.
Anyone as long as you like, cosplay is just about having fun!
It is basically an interview that describes your cosplay. they have questions that you answer such as , What got you into cosplay? How did you decide on this cosplay? How did you put together this cosplay? Basically a self interview on cosplay.
Try the cosplay suggestorator..
Jim Hawking from Outlaw Star.
You can start cosplaying at any age.
You can cosplay any character! cloud-terra .com has some awesome outfits for cosplay!
Most cosplay stores sell mortal kombat cosplay.
Yotsuba or the little snow fairy sugar
It entairly depends of the cosplay. But in most of them, yes you do.
If you need a cosplay fast and cheap the best place to always go is the thrift store that's where I have gotten all of my cosplay. (And I cosplay S. Italy)
There should be a cosplay store in the United States, but if worst comes to worst you can just buy cosplay online.