One of the ways to make profit running an online/internet radio is to sell radio ads (air-time). The best way to sell radio ads is to convince your clients that they need them by showing them the bottom line. The bottom line to convince them are listed and shared below: 1. Advertainments Are Aired Quickly. It takes weeks, if not months of production before the target audience ever sees advertisements on newspapers or television. Online radio advertisements can be written, produced, and aired all in the same day if the station has open advertising slots on its program log. You can use expediency as a key selling point. Make use of festive periods and holiday seasons to sell lots of slots either