User Activity

Well it's happened again.... We have gone from the normal 5 to 10 sales a day, 5 to 10 ebay questions a day, to zero sales, zero questions, and no views!! This happened less than a month ago and lasted 5 full days. Then as if someone hits a switch we...
Not sure if it is just me, but at least once a month I experience 2 or 3 days of zero sales, zero visits etc. It's as though all my listings go into a black hole and I am not visible on ebay. Am I alone, is there something I am doing to contribute to...