There are a handful of metrics that every online business owner should know to help them make better decisions in order to grow the business.

One of those metrics is how much you are spending to acquire new customers.

Once you know this then you can figure out if you're spending too much or, as is often the cast, you're spending too little.

To work out your break-even cost per sale and run profitable campaigns, read our complete guide to paid ads for online stores in South Africa.