The crossword solutions for the term THEY'RE GOOD TO KNOW are INS, which stands for 'insurance policies'. Insurance policies are important to have in order to protect yourself and your assets from potential risks. They provide financial security and peace of mind in the event of an unexpected loss or damage. Insurance policies can cover a variety of things, such as medical expenses, property damage, and liability. Knowing what type of insurance you need and how much coverage is necessary is essential for protecting yourself and your family.