DIY treatments may help minor issues, but professionals provide long-term solutions and prevent recurrence.

While possums don’t typically carry rabies, they can have lice, fleas, ticks, and mites. According to the University of California’s Pest Management Program, possums can also carry diseases like leptospirosis, tuberculosis, toxoplasmosis, coccidiosis, and fevers. Possums are also the carriers of a parasite that can pass to horses and cats called Equine Protozoal Myeloencephalitis (EPM).

Adult fleas can live a few days to a couple of weeks on your couch if they don't have a host to feed on. However, flea eggs, larvae, and pupae can live much longer, even several months, with the right conditions. That is why it’s vital to eradicate them from your couch and other upholstered furniture.

Many people have reported success in using dryer sheets to deter mice. This result is likely due to the strong scent that the rodents don’t find favorable. However, using dryer sheets alone may not be a foolproof solution, and it's often better to combine various preventive measures, such as traps, repellent sprays, and proper storage practices, to protect your car from rodent infestations more effectively.