Fiverr is good but I never made good money from their, its a poor option for newbies. I prefer you to try SEOClerks.com, they have potential buyers and their social bump will kick your gig on the first page which means more people can see your gig so more sales. They also launched their new marketplace ListingDock.com, I also listed up my gigs there and got unexpected few sales from the very first week.
I have not used it yet. I've been reading more and more about it lately though, so I think I'll sign up
fiverr is still better because many service providers are only on fiverr, SEOClerks.com domain is changed now to a new domains, did you guys see that ? why they do that ?
Some services on fiverr are terrible, and others are awesome. It is all about finding the right provider for what you need. Personally, I only use services with high ratings and excellent feedback.
Its crap- you get what you pay for. All Indians and Bangladeshis and Pakistanis pretending to be beautiful American women offering their services. lol.
I have bought some writing gigs and web research work. The research work was pretty mediocre to say the least and some of the writing quite poor. Like everywhere you tend to get what you pay for and writers offering 100-300 words per gig tended to produce useable articles. I would give it a go if looking for content.