We have to agree Mary has a good sense of humor.
Since you end in...............it has to be done??
Well, if you have done everything its the price or the market.
If not, then staging, appearance, paint, brightness, eco-friendly, age, quality of upgrades, location-location-location, schools, crime stats, and if you cant influence or portray them, then give back the listing, its not worth it unless you are doing Open Houses and Picking Up Buyers.