1 After a year of this article being available free to the public, I have turned this answer into a 45-page book that you can purchase to support your..
2 My advice - the inputs should be fairly conservative and general to reduce the friction of others (READ Investors).
3 Above I mentioned that customers will most likely be purchasing complimentary goods, so category C is a safe bet as to what they will be buying next.
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@jimmyrim: 필독시리즈 (3) Where can web startups learn about financial modeling that accounts for the important metrics and costs? http://t.co/zm2xIioa