i am a noob when it comes to lake fishin. i have a 14 ' jon boat that is a decent boat .. i was wondering i am wanting to get into fishing the corp piles on the big O i see you guys doing well on here. what would be my best route to go on some electronics on a limited budget of around 300. what unit can get me on the fish with gps and sonar to locate the piles. any input i gold for me thanks