I agree with previous. I have never noticed an advantage in light air in trying to lift hull. Makes it harder to judge the boat and draws energy and concentration from what matters.
Wouter is right. Flat sails work better.
DO NOT OVER SHEET TRYING TO GRAB WIND>you will stop.
Steady quiet movement if at all. sit on cross bar and get the sterns out of water.
Decide on these tactics before the race and DONT change them.. the wrong choice will work better than trying three different things and being right for a third of the race.. stay quiet and win.
Watch wind carefully, don't get lazy and board with that.
Recently I caught a breeze because I was watching and waiting.... the lightest rise in pressure. The boat right on my tail who had gotten board got home an hour later because that little puff was the bridge to a lift which he didn't make.
If the crew on another boat moves about and slows once when you do not you WILL pull away, so do not leap to follow anothers moves. Sail your own race. IF you are neck and neck with another do not change about boat unless your tactical decision is very certain and know the change WILL cost you and you have to make a strong advantage to make the risk worth it. If you make a move be VERY steady in it and hopefully the other crew will be rougher when following you and that will make a gain for you.
Somehow decide that this form of racing is as intersting as bashing through a chop. Don't listen to others who say it was 'anybodys" day. They just don't have what it takes.