We need more information to adequately advise you.
IE---What Company will he be working with/what postiion?

What is the housing allowance? Or the company policy regarding housing?

Do they pay educational allowance?

Do they pay travel benefitis?

What other benefits are they offering?

There is national healthcare here for those with resident permits---very very cheap, good care.

A lot of expats, however, also have private insurance and go to private clinics.

Please post more of what your husband is being offered so we can advise you whether it is economically feasible for you to come or not.