The porn sites listed on this page offer $1 (one dollar) trial memberships or even free access for a limited time. While they do not always advertise it, many premium porn sites offer such trials usually for 2-3 days of premium access. Trials are great since they give you a chance to try porn sites by giving up just one dollar. You have to keep in mind that some memberships may come with limitations though and therefore you should always check out a site’s TOS