The "free" in royalty-free does not mean there is no cost for the license, but instead refers to being able to freely use the image without paying additional royalties. A small-business owner, for example, may opt to pay a one-time fee for RF images for his website.
Prices on my website differs according to picture size. If you don't find a specific photo you want to buy and use, please write me by filling in the contact form on this website.