Ring Alarm for $163 CAD (there's a trick)
Order the Black Friday deal for $189 with a "free" Echo, but choose the fastest shipping method for the Echo. They will ship separately and will be priced separately. Return the Echo (unless you want it) and you'll have a Ring alarm for $163.12 CAD.
Skip the additional contact sensors from Amazon and buy them from Lowe's. Their price is $25.99 each.
