Selling a tent house

Selling a tent house 13x6 woven tent fabric The tent is clean, used only for two winter seasons, and during summer I fold it. It's like new. According to the shop where I bought it, the tent fabric doesn't leak, and that's what they told me, but I can't guarantee that. Whether it leaks or not, I don't have enough background on this because whenever I set it up, I cover it with a rain tarp. Installed with a plastic base buried half a meter underground so whoever wants to bury the porch, it's assembled on three sides and a half. Warning: Please do not undervalue the item. I do not accept exchanges.