Yes, many services include cleanup and sanitization to remove droppings and odors. Confirm with your provider.

To keep animals out, you must prevent them from entering. As long as they can get in, the problem will persist. That said, consider making your attic less inviting using deterrents like motion-activated lights or ultrasonic devices. Additionally, keeping a well-maintained, clean, and uncluttered attic that you regularly inspect for activity may make the space less attractive to critters.

Keeping your pool cover clean is a good way to keep smaller animals from running across it or using it as shelter. Small animals may use leaf debris on top of the cover to hide. Cleaning also removes nuts that may fall from a nearby tree that could otherwise be a tempting snack for some animals, like squirrels. 

They can have a deterrent effect on birds to some extent. The reflective surfaces of these objects, such as aluminum foil strips, CDs, or reflective tape, create flashes of light and movement that can startle or confuse birds temporarily. However, some birds can become accustomed to these visual disturbances over time and might adapt their behavior accordingly. For a more sustained solution, combining shiny objects with other deterrent methods shared here is often beneficial for creating a more comprehensive and effective strategy for bird control.