What is considered crucial when using ready-to-use products?

The statement that ready-to-use products do not require any preparation before application is correct. These products are formulated to be used directly out of the container, which simplifies the application process for users. This convenience is a significant advantage as it saves time and reduces the risk of mixing errors that can occur with concentrates or products that require dilution.

Ready-to-use formulations are designed for immediate effectiveness against pests without the additional steps of mixing or measuring needed. This characteristic is particularly beneficial for non-professional users or more casual applications, allowing for easy and effective pest control without the need for specialized training.

In comparison, the other considerations listed are not essential for ready-to-use products. While some pesticides may require specific storage conditions or may be designated for professional use only, these factors do not pertain to the fundamental nature of ready-to-use products, which are inherently designed for simplicity and immediate applicability.