I am not a serious inquiry
, but have wondered the same thing when someone says "serious inquiries only". Also, I wonder about pets when the ad reads "to a good home." I wonder if anyone calls the seller and says "we really want to buy one of your puppies, but we are a B A D home." 
Just musing on a Sunday afternoon. . .
Life is like riding a bicycle. To stay balanced, one must keep moving. - Albert Einstein
In all of living, have much fun and laughter. Life is to be enjoyed, not just endured. -Gordon B. Hinckley