(Nov. 29, 2018) -- Now is the time of year that mice are looking for comfortable living arrangements for the winter, and if people are not using their RV, then rodents figure they might as well settle in. Nick Olynyk, president of Grandpa Gus's Repellents explains what types of products work best to discourage rodents from taking up residence. The company offers convenient pouches that you strategically place in the RV as well as spray products.