I use them to line the bottom of my plant pots so the soil doesn't drip out of the holes on the bottom side.
I also use them to make fire starters. Grill Alot? Like camp fires? Save old paper egg cartons and toilet paper rolls. Stuff them with old t-shirt rags, and pour paraffin or melted candle nubs onto the t-shirt so it soaks it up. Light this under your charcoal or wood. ... View related article.