Sealander is a lightweight fiberglass trailer thats half camper, half electric boat. It couldnt be easier: just pack up your outdoor gear, hitch the camper to your car, drive down to the lake, and set sail (inland waters only for now.
I'd still be afraid to collect mushrooms myself: Edible fungi chart. If the world is ever covered in darkness, the only plants that will grow without sunlight are mushrooms. Stick this in your survival guide!