I am currently doing research on how to calculate ROI for a website that will generate revenue off of advertisements as well as e-commerce and digital downloads. Is Google Analytics sufficient, or what other tools are worth the price of integrating into the website? Since some of the revenue...

Hmmm, so I stumbled across something today and after doing a few searches I'm not seeing that its been discussed here before. There is an investment fund out there which earns money by crowdfunding high revenue Amazon FBA businesses to buy new and untried inventory. They are advertising 15%+...