It absolutely pisses me off when people come bang on my door asking if my stuff is for sale. No for sale sign. If it's for sale I'd put a for sale sign in it. And even at that I would probably advertise it on Craigslist without it for sale sign in it because I don't like strangers knocking on my door. My last truck wasn't in my front yard 24 hours and I was at work and some stranger was knocking on my door with just my wife home...
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