Read about the service before joining. Check out their privacy clause or other policies, so you know how any information that you give them will or will not be used. Make sure they will not be giving out your name or any other personal information. You will find that most, if not all, of these online services are conscious of your concerns for safety and privacy. Find a service that feels right for you.
Many sites have free memberships as well as paid memberships.
Choose a service and sign up. You are now ready to create a profile and start having some fun. Again, you want to take certain precautions in creating this ad to insure your safety and privacy. Do not give your last name. If you are looking for someone in your local area, you can give the broad general area of where you live, but don't be too specific.