So why didn’t Team Romney negotiate better rates? Since spots are typically not bumped in early September, the notion of reserving non-preemptable ads — in order to guarantee they would air — seems implausible.

According to our source, Team Obama simply did the “due diligence to find where the lowest unit rate was,” a tedious process which “takes manpower.”

Conversely, it appears Team Romney simply didn’t want bother with the hassle. So they threw money at the problem — and walked away.