Depend of type of air soft gun you want!
As Dana and Jake have mentioned, pricing will vary depending on what you're looking for, quality and skill set. Some stuff can be had for very cheap and will not go far whereas others can easily top several hundred dollars. Check the website, see what interests you and the staff will help find you the ideal weapon for your budget of play.
Depends on what kind you want. You can go on the website and shop as well as in store. If you go into Evike you will surely be helped by their staff.
If you are looking to get into airsoft, there are some fully automatic guns that span from 50-200 U.S.
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