Well here's a thing...

There's a web site called leapfish.com that will calculate the value of a domain name. No idea how it does it or even if it means anything.
Just for fun I tried the JOMAC domain, $48 000. I don't think so

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CALCULATING DOMAIN NAME APPRAISAL (Please Wait)........................................
Domain Name Appraised: jomac.co.za

Combined Domain Name Appraisal Value Score: 617

Top Level Domain Name Score: 1 Unwanted Characters Score: 10 Length Score: 7 Archive.org Score: 77 Google Search Results: 0 Yahoo Search Results: 0 MSN Search Results: 14 Search Engine Score: 1

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Estimated Domain Name Value: $48,126.00