Some other questions to ask if you are moving as part of a company transfer are:

What will the effect of currency fluctuations and inflation, especially hyper-inflation, be on your income and standard of living?

How much vacation will I get? If you are American, this could be a very pleasant surprise.

Will the company pay for your children's international school, if necessary?

Will they give you and your family round-trip tickets to your home country or their corporate headquarters once every year or two?

What happens if the project ends suddenly?

Are there options for extending your stay or returning early?

And, if you are an executive going to South America, do they carry kidnapping insurance?

You also need to ask around at your company and find out how other employees who have been sent overseas have fared. Is it a plus, or is being out of the political loop for so long a real handicap?