How much does Flipster cost?

I'm curious about the pricing structure of Flipster, could you provide me with some details? Specifically, how much does Flipster cost to use? Are there any upfront fees or recurring charges that I should be aware of? Additionally, does the cost vary depending on the level of service or features that I choose? I'm eager to learn more about how much I can expect to invest in Flipster, so please feel free to elaborate on any pricing information that you can share.