I would like to add that this would be especially helpful for eVars set to Original Value. For those eVars, you almost always have to expire them after a timeframe, or risk winding up with zombie values in the reports.Let's say you have an eVar for "original search keyword" on an ecommerce site, and want to see which search terms people use to initially find (and buy) products. If you have the eVar expire at purchase and someone doesn't make it all the way to purchase, then they could come back ...