We have one of these and they are an amazing addition to our camping arsenal, allowing for very cozy winter evenings with an outdoor propane
fire pit. Kept a bunch of bluegrassers cozy warm at a two festivals this year during really cold, rainy weather.
Sets up/comes down in minutes and you can buy panels with windows
for the sides. Because of these, we have seriously considered going back to tent camping using two of these- one for sleeping, bathroom and changing area, the other for cooking and entertaining if it is raining or really windy or cold.
We have used ours over a dozen times this year for days on end and could not be happier.