SUBSTRATE
Substrate is always a topic up for debate. No substrate is truly the right one. If you're looking for cheap and easy, go with newspapers or paper towels. If you're looking to setup a display for your corn snakes, use some kind of wood chips. I use cypress mulch for most of my reptiles but you can use repti-bark or even wood shavings, so long as the wood shavings aren't fir, pine or cedar. All of those wood shavings have chemicals that are poisonous to animals. If you want to use wood shavings, your safest bet is to go with aspen.