Just as the title says, free dating sites don't ask you to haul out your credit card.You don't pay for the privilege of hanging out on the web site.You place your picture and your profile where others can see and review it.If they like what they see, they can contact you and you don't have to pay anything for the contact, for posting your picture or anything else associated with the free site.These sites are funded by the advertising that is placed on the web site.The sponsors hope you will recognize their contribution and patronize their products when possible.
With responsible free dating sites, you don't need to waste your time worrying about such things.
You can block or remove names of people that you don't want further contact with.
You should, of course, take responsibility of not rushing into a face to face meeting until you are satisfied that the person is one who you want to get to know better.
Variety The variety of people and interests that you find on free dating sites is truly amazing.
Just do a search on keywords and you will find people that have used that information in their profiles.