With consolidation on a rapid pace, we are now finding a number of radio invoices (and some TV) that are missing elements that have been bought, but no one at the station is telling us that they weren’t run. And if you pay cash-in-advance, we haven’t found one station yet to own up on missed elements paid for but not delivered. We don’t think it is intentional, but success is in the details. Be sure that you go over every invoice with a fine-tooth comb. We recently found an incorrect radio invoice that upon our audit contained over $5,000 worth of mistakes that the client got charged for, but the station never told us about it; we had to catch it ourselves. If we had not audited the invoice, the advertiser would have never known. Don’t assume because you get a big computer printout of your invoice that all “looks” okay at first glance. Dig in deeply, and you may discover you are owed a lot of make-goods or even a cash refund.