It would definitely take a lot of commitment, time and effort to define the vision and take everyone along towards building some great products without the actual need for external funding.
Product/Company Mission and Product Vision go hand in hand in defining the long-term success of any business. A Product Vision statement is what we want to achieve as the end goal.
I believe Product Managers are mini CXOs - helping companies build products through design thinking and innovation. In that process, we may find ourselves overwhelmed with the number of tasks that come our way.
I believe every business no matter the size - should try to find its very specific niche - and build a product or service that solves a customer problem or challenge beautifully well