You have to just do it. Do a prototype, whether you pay someone to do it or you have a mate do the development or you do it yourself. You have to go in with something to show.
From Summly to Silicon Valley: The teen who sold his app for $30 million
Danielle Newnham
44813

This has been very important for me when I tackle new writing jobs or sell recipes- the product has to be good.

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