High on most foreigner's list of reasons for living in Andorra is the total absence of serious taxes. No income, no capital gains, no inheritance taxes. Not even a sales or value-added tax. The last time Andorrans put their hands in their pockets was around the end of the 14th century when they paid dues to their feudal lords. They're not anxious to repeat the experience.
There's more good news. Andorra's cost of living is lower than in North America and much less than in virtually all of Western Europe...