As a beginner, you should ensure the service has easy to use apps (with a good interface) for the types of devices you want to use it on. Taking these into account when searching will ensure you end up with a reliable VPN service. There are a few essential features you should be looking for both as a beginner but also as a regular shopper for a VPN service.
Strangely they all cost roughly the same price. Unfortunately, they're not all as good as each other, which makes things even more complicated. There are more than 500 VPN companies available now, so it's a confusing landscape. Knowing how to select a Virtual Private Network can save you a lot of hassle and headache in the long run.