The humidome is too expensive in Canada.
Assuming you can get 100% improvement, then you would break even after just one tube. However, this is asking a lot of the product. Instead of buying the humidome, you can easily purchase a different product and get the same benefit.
I've been offering the Volenx Cigar Humidifier for $5 to friends/family. Definitely a much better value than the Humidome
UPDATE - May 4, 2018