For Quick odd jobs like bringing your sofa up the stairs, helping install a door.  Enter what you need done in the database. people who are in the area are allowed to send one message limited to 500 characters.  They list their current occupation and the words are to explain your passed experience doing such tasks.

Also have a Pro and Helper section.  So if you have no experience in installing a door you can look for someone that is listed as a professional.  If you know how to install the door, look for a helper to help you do your task.