What this poem is trying to show is that fame has its ups and downs. it is a song because it's a great experience with lots of perks. It's also a sting because you can't live a normal life without paparazzi getting in your face, taking pictures and won't let you enjoy your time out in the community. the author uses the words "Ah" and "wing" to show the noticeable fact that being famous will allow you to achieve greater lengths and to be able to "fly" and accomplish your life's dreams.
They would have to price it at low cost first before tryna to get their customer to pay a high price. They must wait until their product is popular or well-known before raising the prices.