So I just got my blackberry curve 8320 T-Mobile and after an hour or so playing around with it i finally got it to connect to my wifi but im a bit scared wondering if it will somehow cost me money i got mixed answers from the tmobile guys so i was waonder if anyone know and im on the wifi browser

Wirelessly posted (BlackBerry 9000 4.6.0.67)

WiFi browsing costs nothing. It can be done without a SIM card present.