There are tourns all over the US. The best way is to join a local bass club and " learn the tourn ropes with clubs" . They can share the opens with you. You would not believe how much you can learn in one year with a good club! I' ve been doin it since 1978.
http://www.pivot.net/~crankbait/MEBA...ederation.html
go to this site and look for a local club luck!