If you signed up on EAR and didn't make an intro post, as instructed, you won't be let into the main forum.
$250-$300 will get you a meh, so-so entry level gun. It's cheap but don't expect much from it.
No permit is required, but you do need to get yourself age verified to purchase here or on EAR. Most other retailers will require a +18 signature for postal delivery.
ASC & RAAT Age Verifier for Central Alberta
Authorized G&G Dealer.