Master Lock Covered Aluminum Padlock with Key – 4 Pack – $14.00 (54% off)

Super cheap, good quality, durable locks with a long shackle. Comes to $3.50 per lock.

Also $14.00 At Walmart:
https://www.walmart.ca/en/ip/master-lock-1-916-covered-solid-body-padlock-with-1-12-shackle-black/6000195544985

$34.00 at Home Hardware & Depot