How would one " travel" and what would be the costs? Or any cheap ways?

Hey guys, I want to travel around europe for a while but have no idea how, it seems pretty scary...

How would someone go about doing this? I've heard people going somewhere and getting a bar job or something to pay for them going somewhere else, but what if there's no jobs or you can't afford a place to sleep?

If anybody can think of good ways to travel without having to save up forever and spend a bundle going to one place, I'd appreciate it.

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).