That one of <20, - can not expect any miracles, is perfectly clear. A waterproof tarp does not belong to me but to these "marvels". And if they do, then you can offer up a tent for that price. With a lot of good will you can about the other processing defects (me are the first transport once the pocket, the second arrangement, the stitching on the strap ripped guy) still ignore - then it was just a one-stop holiday tent. But late at night, in the rain break down in the middle of the tent and having to look for a new place to live, because you wake up in a sopping cave, then goes but clearly too far.
Stay away and invest 10 to 20 euros more: Urgent advice.