Shopping at Alarm.com
1. Newsletter Signup - Alarm.com will consistently send out newsletters where you can find free coupon codes to save on your order.
2. Patience Pays Off - Take your time and revisit the site a couple hours later; Alarm.com will send you an additional promotion to entice you to complete your order.
3. Sign Up For Multiple Email Addresses - Use a couple different email address to accumulate more Alarm.com promo codes. Many of the big retailers will come out with single-use coupon codes and this will increase your chances of savings.