HostPapa is a reputable Canadian hosting / domain service provider. The company often has incentives for hosting but sometimes there are some good deals for domain names.
Today, they ran 2 offer for .COM discounting domain name .COM only $ 0.99 / year only. You just wait until the right time to register.
Flash Sale 1: From 21h 11/6/2019 to 20h59 13/6/2019
Flash Sale 2: From 21h 17/6/2019 to 20h59 19/6/2019
Payment via Paypal/ Credit card.
Limit 5 domain per customer