There are dozens of writing sites out there for freelance writers to earn money at but it isn't always easy knowing which ones you can trust.  That is why at Write Moms, they check out the writing sites first so they can give you first hand knowledge of it.  Life123 is a site actively searching for good writers who can share their knowledge and write articles of interest to their readers on a variety of topics.  They have a pay system unlike other sites.  Life123 could be a good opportunity for a freelance writer to make some serious income while writing on topics she/he enjoys.