There is nothing wrong that I see. This home was on the MLS but it had expired on 1/21/08. The property was not relisted on the MLS.
Also, Realtors do NOT have to list homes on the MLS when they take a listing. They do have to send in an exclusion to SDAR when they do this but it is perfectly legit to do.
Personally it really does not make sense to not list a home on the MLS. However in this case the listing did expire and the seller either did not relist with a Realtor and sold it as a FSBO, or the seller did a back door deal with one of the buyers who came by to see the home and immediately after expiration the seller did the deal, OR the seller did relist but since the home went into escrow immediately it was not relisted on the MLS.
Also, agents in general do like to have statistics that show successful sales so in general I do not agree with your theory.
