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to drive traffic onto their sister website(ie gdax) and build up a second most popular coinbase like website that users trust.

Also, gdax is a currency trading website. technically a currency trading platform with margin trading for daily trading so it's not really intended for buy and hold in your wallet investing like coinbase. That's why price is lower on gdax, because people theoretically will be using it and paying fees more often. This would be gdax way of giving day traders more incentive to use them rather than other day trading sites. Not too good to be true just intended originally for a different purpose but still usable for other purposes...like say an old piece of clothing that was meant to be worn but you can cut it up and use it as rags to clean instead. Not original purpose but it works!

How do you minimize the initial fee to purchase without waiting a week for your money to hit coinbase account? As far as i know Gdax/coinbase don't allow a quick and cheap way to get started so what are the other options?

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