Return on investment (ROI) is the financial gain generated from an expenditure. ROI is expressed as a percentage or ratio (the realized financial gain divided by the initial expenditure).

12 Things You Must Do To Win More Deals Using Case Studies & Social Proof
Winning more deals is a top priority for most businesses, but getting to where you want to be isn’t always easy. A lot goes into winning more deals, but perhaps the most important is your website.