Keep in mind that the tablecloths in hotel rooms are never changed.
The glasses for beverages are not always washed. The same goes for the toothbrush holders in bathrooms.
TV remotes are the dirtiest things in the world.
Carpets are vacuumed, but they are rarely disinfected. The best-case scenario is if they do it once a year. That’s why you should never walk on the carpets barefoot.