Different marketing/growth approach for audience from different countries?

Hi - So I am working on an info product which is still in its very early stages. I am planning on building an audience first and then leverage that following to introduce/announce the product. However, when it comes to different audience from other countries such as those in the sub-continent I feel an e-book would not be a viable option to sell? Do you agree with this? If you do how do you suggest I reach out to the audience from other countries to sell my product?