Passive income: NO

Becoming a passive income earner solely through the Voice AI Application Developer side hustle is challenging and not common. While it is possible to create passive income streams in this field through automation and outsourcing, it typically requires substantial initial setup and ongoing maintenance. Most individuals may struggle to reach a completely passive income level and may need to supplement their earnings with other related activities like affiliate marketing or selling related products. Achieving passive income in this hustle is more likely for experienced developers who have established successful applications with a steady user base. It is important to be wary of myths or unrealistic expectations about the ease of generating passive income in this field. Setup costs range from $500 to $2000, and time to profit can vary widely from 6 months to 2 years.