Trapping out will counter balance the heeling of the boat. You can also point up a bit to flatten the boat out.

Organizing everything is probably best learned by experience. When trapping out you can drape the sheet over a hand but don't let go of the tiller. Ever.

Keep your weight towards the stern. The best gauge is how close the bow is to dipping under the surface of the water. Don't let that happen or it's pitch pole time.