Numerous baits can be found easily along wooded shore lines. Start turning over every piece of down wood and rocks and every bug, snail, worm is potential bait. After getting your first fish more bait is there for the taking. Each eyeball can easily removed to bait a hook. I do alot of ice fishing. One of the best baits for panfish is to take a small piece of fish skin, about as big as a maggot, and hook it one time on a small hook. Let the skin dance behind the hook and tantalize the fish. This is exremely effective. The skin if very tough and will catch alot of fish before being torn off. Another thought similiar to a trot line is to tie a fish line on a low hanging green tree branch. The fish will take the bait and hook themselves. Very effective for night fishing with a minnow on a hook for walleyes coming into the shallows to feed after dark.
As a kid I caught many frogs and crayfish by hand. Just with these critters a meal could be made easily and left overs become tomorrows bait.

Huck