A video revisit to one of my most popular articles from 2017 about this Coinbase trick that will save you on the fees. If you use my method you can deposit USD, transfer to GDAX, and buy BTC with zero fees. Roll that beautiful crypto footage!
Here is a link to the original written article is that is more your style!
https://www.cryptostache.com/2017/09/03/coinbase-trick-will-save-fees