you want
you don’t have to
you want to
You
each style

1.  The advantage of the relaxing style over the first two is that it’s cheaper ( spend a lot of money),

Correct.
Incorrect.

2.  more personal (mix the elements that

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Incorrect.

3.  and funnier only need to use your creativity).

Correct.
Incorrect.

4.  In conclusion, specific elements.

Correct.
Incorrect.

5.  You just have to reflect on your personality for a happy feeling and the things do in your living room for a sense of comfort.

Correct.
Incorrect.