Depends on the domain name. A .com is more expensive than, say, a .me.uk. I pay $70 to register my .com for two years with Domain Bank.
Hosting is a separate cost, though many hosting companies will keep on top of renewing your domain name for you.
Huawei P10 review
1995-2015: How technology has changed the world in 20 years
How VR is being used to simulate space
New iPad, iPhone SE & Red iPhone 7 on sale now
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.