It's cheap or even free. There are several options, and some are free. Usually, the price you pay is allowing advertising on your site. There are many Web-host companies out there. Content is essential.
Every photo automatically is copyrighted as soon as it's created.
If you don't want to pay for Trellix, you can get it for free by using one of its partners as a site host. Without knowing any code, you can use it to create a good-looking site and register with a free host service. Be careful what you agree to, or your site may have more ads and promotional items than personal content.