When your at Moe's Restaurant and realize the little plastic cups they put out to hold the different spicy sauces are perfect for mixing epoxy and you you can't help yourself and grab about 30. . When your in publix and realize the bamboo skewers for barbequing are perfect for mixing epoxy. When your kids know to save the small cream cheese e containers b/c daddy washes them out and stores his modeling stuff in them... control horns.. servo wheels.. etc. When one of your kids socks gets a small hole and you use it to cover your sealing iron...