Greatest risk is not development of new product, but development of customers and markets
There are no facts inside the building so get the hell outside.
Unless you have tested the assumptions in your business model first, outside the building, your business plan is just creative writing.
In a startup no facts exist inside the building, only opinions.
A business model describes how your company creates, delivers and captures value.
We now know that something between 85 and 90 percent of most software product features are unwanted and unneeded by customers. That is an enourmous ammount of waste of time and money that ends up on the floor.