Plus, you want to do twenty or so major market radio shows in your spare time. (bookpr.com)
Roughly speaking, lower frequencies are cheaper to use than higher frequencies because they require less precise equipment, an important consideration for an industry that wanted to market radio receivers to the masses. (discovermagazine.com)
To be fair, there are certainly respectable firms that have guaranteed «packages» of a specific number of major - market radio interviews, etc.. (smithpublicity.com)