Yes, they do! But not all discounts work equally. A few discounts work right on spot while for others you might have to make some improvements before reaping their benefits.
For instance, an early signing discount will decrease the value of your premium as soon as you avail it. However, for discounts related to security measures, you will have to install a device first before qualifying for that particular discount.

Website: https://www.home-insurance-foley.com/discounts/