Free: Contests & Raffles.
Getting a boat would allow you to offer something in trade to someone who may have more knowledge but no boat. Otherwise there are tons of boat only areas in your back yard and would open up a ton of options for you.If birds are around but wont commit to your spread you need to work on your hide. Wind always helps.
I hunt and live here in tri cities. If you get a boat be carefull where you go. If your serious gps areas when its nice out that way if you run into trouble you won't get hurt as easily. People die or get hurt often duck hunting water over here, ol timers at the docks will tell you stories, hypothermia aint no joke. I make my crew wear wet suits under their breathables because when, not if, when they go under I don't want them dieing.