I have "borrowed" your words of wisdom--quoting source. Hope you don't mind. They fit the bill so well.
Abbreviated Genealogical Wisdom, Internet-era edition:Run the name.A newspaper newly digitized? Run the name.A new set of census records on-line? Run the name.Nineteenth-century bankruptcy database available? Run the name.Whenever a new source, however unlikely, pops up, always, always, always, run the name.