They used Mr Weasley's friends tent. They used the same tent in the 4th book at the Quidditch World Cup
Probably anything you can find in your average household.
Dean Thomas and Griphook were the only ones outside the tent and both were on the run. Aside from Harry, Ron and Hermione all other characters were elsewhere.
Ron found them in the Forest of Dean when Harry left the tent to chase the silver Doe.
Perkins (a co-worker of Arthur Weasley), loaned the tent to Arthur to use at the Quidditch World Cup. In the movie, there are two tents and they appear to belong to the Weasley family.
The charm they were under was very powerful so it is unlikely to be broken by the taboo even though the simple charms placed around the tent did.
Harry Potter slept in the cupboard under the stairs until mysterious letters addressed to his cupboard started arriving, then the Dursley's moved him into the smallest bedroom.At Hogwarts he sleeps in one of the boys dormitory's in Gryffindor tower.Whenever he stayed at the Burrow, he slept in Ron Weasley's bedroom. At Grimmauld Place he was given a room which he also shared with Ron.In Harry Potter and the Deathly Hallows he moved out of Privet Drive. Harry spent some time at the Burrow, at Gimmauld and then moving around the UK in a tent.
No they live in the same tent and work together.
they danced to Celestina Warback's song
TRIP TENT
A bell tent is a tent with a bell-like shape.
Harry set out with Ron and Hermione at the beginning of the book, but then Ron leaves and can't find them anymore because of all the protective charms that Hermione cast around them and the tent. The next time that Harry sees Ron is after the fiasco at the Malfoy Manor, and Harry is diving into a pond to retrieve the sword of Gryffindor.
Indians live in a tent