The biggest looming factor is that many jobs in the US are at-will employment, so while people can have good intentions and share those with you, the person or

The biggest looming factor is that many jobs in the US are at-will employment, so while people can have good intentions and share those with you, the person or company can turn around and fire you for almost any reason. There's no penalty for going back on their word. Finland has something different than that though and it sounds like it's harder to fire people.