You can be bringing home nasty critters and not even know it. One family was shocked to see one of the world's most venomous spiders inside a bag of grapes. They even keep the spider as a constant reminder to always check the groceries. Another person found roaches inside her rental car. Home improvement expert Jason Cameron showed Inside Edition the steps you can take to keep those critters out of your house. When it comes to fruit, like grapes, he recommends tossing the bag it comes in.