In a post at sfgate.com, the practice of removing a home from the market to re-list as a new listing is said to be a common tactic of listing agents....

Overall, buyers who need to sell a home before buying a replacement home are better off in the long run by taking out a home equity loan instead of a bridge loan. That’s because home equity loans are less expensive. The best way to get a home equity loan is to do it before a home goes on the market...