A travel-blogging couple who earns up to $6,000 a month shares exactly how they make money on the road

In early 2014, Jarryd Salem and Alesha Bradford left their native Australia to backpack from Thailand to South Africa without taking a single flight.

Since then, they've spent most of their time on the road, traveling everywhere from Mongolia to Vietnam to Tajikistan.

When they spoke with Business Insider in 2015, they were earning $1,500-$2,000 a month as they traveled. In the past year, however, business has taken off, and they now earn between $2,000 and $6,000 a month.

As they've increased their income, they've made it their mission to inspire others who want to lead a similar lifestyle. One way to do that is to be transparent about exactly where the money comes from.

"Whenever we see these articles, now we notice people are happy to say they earn money online - we earn six figures or $5,000 a month or that kind of thing - but when it comes to actual details, it's quite light," Salem told Business Insider. "They say we have a digital product or make money through affiliates, and if you're in the industry, you understand what that means. But if you're not, it can be inspiring in a way ... but there's no kind of direction afterwards."

He went on to explain that travel bloggers - including him and Bradford, who run NOMADasaurus - make their money in nine main ways: