Anna? in a tournament?
Are you going to be a partner to someone? in other words are you going to be on the back of the boat?
Anna is something I will touch on later but first I want to offer advise as to fishing tournaments, it sounds like your just getting started with tournaments, you are going to have to get comfortable with fishing all kinds of baits, not just finesse, you are going to have to get out of that comfort zone of yours and open up, Cranks on Anna are very popular and perform very well if they are used in the right way, one thing that is the most important when fishing for money is that you first find the fish, you are saying you can find two or maybe 3 lets me know you are not giving yourself the chance to be successful, some days you can stay in one spot and be successful but those days are rare, when you are pre-fishing how many spots are you looking over to find what the fish are doing ?
I have never fished the Potomac but I have been doing a lot of research on her, I will be there in August, so far I have found that 15lb bags or more require a good bit of travel, unlike fishing a place like Anna where you really don't have to cover the whole lake but still need to move around.
There have been some really great suggestions and the one I like the most was suggesting to go to these other bodies of water, you need to really look for fish and figure out what they are telling you, and then start fishing, take up some of the offers and go fishing with some of the guys who have offered you a day on the water and learn from them, it's a lesson that will become some of the most valueable and most cost effective information you will ever get your hands on.
As for Anna, your finesse fishing will play a huge roll in being successful, but you have to find the fish first, just like in any other body of water, cranks, jerk baits, drop shots, jigs and spinners everything works there and she offers all kinds of great fishing opportunities, I will give you a hint and let you know to concentrate your efforts in the upper portions of what used to be Anna river, depending on what time of year you plan on going I may be able to help you even more.
Find the fish first, thats always going to be your key, take some of those offers and go fishing with the guys and take notes and give back as much as you can, open up and get out of that comfort zone, if your fishing from the back of the boat the speed in which the angler in the front fishes will determine techniques you will need to be comfortable with, a lot of times the front angler will fish much faster than you are used to fishing, last thing is stay ralaxed but don't loose focus, especially if you know the fish are there.