"Single registrar or multiple registrars For a large number of domain names"

[Capites]

If you have a large number of domain names (100+), is it advisable to keep the domains with a single registrar or with multiple registrars. For a single registrar , you get better pricing, but if there is a problem , all websites will be affected.
Any feedback is appreciated."

[Andy]

IMHO it's a problem to personally own 100+ domain names. I would expect trouble in getting search engine rankings if they are all used for sites.

hmm, I should add some more input here....

I have read some marketing Gurus tales about how their online income has plummeted after they used "equalizer" style software to create 1000's of spam sites. Now the search engines have clamped down on them to improve the experience of users to ultimately increase revenues for advertisers. Some of these Gurus make less money off a whole network of sites than some of us ethical marketers make off single pages now. And many of their followers never made anything online because they were too busy tracing the pot of gold at the end of the rainbow where the list owners live. So it's time to rethink strategy and bin the old get-rich quick mindset.

It you have 100's of domains it is best to consolidate them down to say 10 that have some merit in terms of longevity, page rank, associated trafficed sites etc and expire the junk ones.