And to second another comment, the more countries you have to support, the more expensive any modifications becomes... Right now you have the luxury of a mallea

And to second another comment, the more countries you have to support, the more expensive any modifications becomes... Right now you have the luxury of a malleable project that you can evolve fast - which is a necessary thing because you don't yet quite know where you are going. So defer internationalization for when you have validated the business model and technical architecture on the current couple of countries.