In a physical comparison, value-add, according to Wikipedia, is the difference between the sale price of a product and the cost of materials to produce it. In this instance, value add is the combination of labor, machine investment, shipping and distribution, marketing, packaging, and more that add value so that a customer will purchase the raw materials that initially were the only product.
Coinbase is building the infrastructure for mainstreaming Bitcoin into an easy to use, workable currency and economy. They do this by: 1. Providing an easy to use online wallet. They are much more bank like than most other wallets, in that they ...
Coinbase is really for those who have a longer view. I use it to dollar cost average - I buy the same amount (in fiat) every two weeks. I sell none of it. If I truly believe in Bitcoin's long term future, this is a great path to wealth, and I don't really care what today or tomorrow or yesterday's market price is.