Take 50% off the Coleman 8-Person Instant Tent (14'x10'), dropping the price down to $154.99 + Free Shipping at Amazon. This tent has over 900 reviewers averaging 4.2/5 stars, and the tent is supposed to be set up in a minute or less. Has 2 doors and 7 windows, as well as a divider between rooms.

Considering the list price for this tent is $310, this is a steal.