1. Putting on colgne before or during fishing. Beginners don't understand the importance of not having human scent.

2. Not fishing the right place at the right time. Need to know where to fish and learn it well like it has already been suggested here.

3. Bringing bananas!

4. Not knowing how to rig up properly. not having sharp hooks, or not knowing good knots, and not using effective methods.

5. Not covering the water and casting correctly and the right water. Not having polarized glasses and not being able to see fish and know where they hold.

6. Not switching it up with colors or different baits.

7. Not using enough weight or too much weight.

8. Trying to break off by using the rod!

9. Fishing too many hot spots with lots of people shoulder to shoulder.

10. Not going with somebody of better experience whether it is a guide or a fisherman that catches fish.