Use a wooden pencil and sharpen one end to a fine point
Wrap the non-writing end with tape for a better grip
Cut a small piece of plastic from an old pen cap and attach it to the tip for a smoother point
Use a cotton swab stick and trim one end into a rounded tip
Take a chopstick and sand one end until it is smooth and pointed
Wrap aluminum foil around a pencil tip for use on capacitive screens
Cover the tip of a pen with a small piece of conductive foam
Use a toothpick with the tip smoothed and wrapped in soft cloth
Make a stylus from a marker by removing the cap and attaching conductive material to the tip
Use a wooden skewer with the tip sanded smooth and wrapped in thin conductive fabric