How do you sell IoT?

Could you please elaborate on the process of selling Internet of Things (IoT) technology? Are there specific platforms or channels that are typically used to market and distribute IoT solutions? Additionally, what are some key factors that buyers consider when making a decision to invest in IoT technology? Is there a standard pricing model for IoT products, or does the pricing vary widely depending on the specific use case and features offered? Lastly, what are some common challenges or obstacles that sellers of IoT technology often face, and how do they typically overcome these challenges to successfully close deals?