Not sure why books on saying sorry are popular...
USA products are very cheap compared to the UK, but if we import, the UK charged import tax makes them so much more expensive then if we bought the same product if it were available locally. It is our UK government which taxes, not the USA government.
We get so jealous when we work out the difference between currencies and find everything in the USA to be so cheap, yet wages seem to be reasonable in relationship to costs. Though we do have benefits which one pays privately over there so swings and roundabouts!
I guess every person has a different circumstance to face and it is not as easy as one imagines it to be. Maybe everyone looks at each other and thinks the grass is greener! (Mind you, in Wales where I live, it probably is due to high rainfall!)