It would be great if Mint could move into other markets. However, privacy is always going to be an issue with this type of business. However, at what stage do they think it is worth financially to move into a new market? After Series F of funding? or do the investors want a return in a set time frame?
The answer is easy - When the cost to move into the new market is outweighed by the profits that the new market can generate and there is a need to create new profits.
A positive is that there are only 5 banks the majority of the population uses in Canada compared to how many in the US?