Rubicon Juice, 1L Cartons (many different flavours) from $1.78-1.87 each, tied with ATL

Main link is for Mango, but there are many, many available.
Some of these are also 5 for 5% off.

Mango at 1.87
https://www.amazon.ca/dp/B076ZX938L

Soursop Guanabana at $1.78
https://www.amazon.ca/dp/B00IIRPZHK

Lychee at $1.87
https://www.amazon.ca/dp/B00JVFX5WA

Guava at $1.87
https://www.amazon.ca/dp/B00CPTWVEW

Pomegranate at $1.87
https://www.amazon.ca/dp/B00IIRB3IU

Passionfruit at $1.87
https://www.amazon.ca/dp/B076ZX7PS4

Dragonfruit at $1.87
https://www.amazon.ca/dp/B0CPKPV6B2

Pineapple and coconut at $1.87
https://www.amazon.ca/dp/B0CPL2G7DQ