It definitely pays to shop around, but there's also an argument that once you've found a good deal on a product or service that works for you, it can be beneficial to commit long-term.

This is certainly the case when it comes to cost. Generally speaking, if you commit to a longer contract, the monthly rate that you pay will be less. And if you are sure that you like the service, then what is the harm in making a longer commitment? There's absolutely no harm, that's what.

CyberGhost VPN is one of the biggest names in virtual private networks, and that's due to the combination of impressive features you get with the service. You get access to over 3,700 servers worldwide and around-the-clock live support. You can also connect seven devices at the same time, if you so wish.

Naturally, you will pay a lower monthly rate for CyberGhost VPN if you commit to a longer contract, and if you purchase a three-year plan then the price is super low. For three years of protection, you pay just £2.10 a month, with an incredible 45-day money-back guarantee. That's a seriously low price, and represents an 80 percent saving on the list price.

There's no harm in making a longer commitment when the service works for you and the price is this low.

• CyberGhost VPN — £2.10 a month for 3 years

Post by Joseph Green of the Mashable Deals team; originally appeared on Mashable.com and re-promoted by PCMag Staff.