I did a mistake buying new domains, without completing the one's which i was dealing with before. It is really hard to manage 10 domains at one go. you must park all domains and develop them one by one. Having more successful domains is more worth.
The more the better. Diversify... spend your time on what works. Outsource to save time and keep multiple sites going.
From my personal experiences, if I try to manage more then 3 or 4 sites, one of them starts getting neglected. I dont think there is enough time in the day to post articles, build backlinks, promotion techniques,,,, for 20 sites. How can someone take the time to research a topic, get resources for an article, write proof read, make videos, film the videos, and then there is the editing, taking for your artciles pictures, edit pictures, water mark the images,,,,,, One decent article on my main blog will take between 1 - 2 hours to make. A good article might take 2 - 4 hours, that includes videos, pictures, research, writing the content, proof reading,,,,,, I do not see how anyone would have the time to produce quality content on 20 blogs. There is a big difference between a 5 minute article and a 5 hour article. If you only want to post 5 - 10 minute articles, then I guess you could run a large number of blogs. But if you really want to post quality content, your only going to have time for a couple of sites.
i focused on 9 then 5 then 1. i have made more money on the 1 in a shorter time. i would rather do well with 1 site versus average with multiple sites.
Unless you are going to spend the next 2-5 years building a large authority site, it's better to have multiple smaller sites. This spreads the risk ... especially if you rely on search engine traffic that can go away overnight if Google hiccups. (Just make sure you're also building your authority site along the way)
Um....that would be 1000's of sites. Not very productive as a lone webmaster. I've done the same thing, registering a domain every time I get a whim, plopping a blog, or something on it, and then not having time to develop, and promote it. I still have about 15 sites that need some TLC, 5 waiting for PPC, and another 20 or so domains/ideas that are in limbo. I am just now dropping about 10 domains that I will never get around to, and spending time concentrating on what is making some money and multiplying it. One person alone, cannot successfully handle 30 new sites at one time, but if you grow them one by one, you can easily have more than that going and making money over time for the long haul.
Hi I suggest only a few websites at one time. If you own about 30 websites then I dont see you having a life. ATAL!