Igloos were not paid for. If they needed an igloo they had to make it. Usually other members of the tribe helped to make one.
Inuit do not use igloos. Therefore your question is moot.
No
Eskimos/Inuits invented the igloo about 4000 years ago.
eskimos live in igloos from time to time long ago they lived in cave like places so most eskimos do live in igloos but long ago they didnt
The correct term is Inuit. If you actually go into an igloo, it is way warmer than any cabin. The ice blocks the heat from escaping, keeping it well insulated.