The company recently has expanded its original concept to dish out data on lenders. Look a little closer. Now we can add to the list a behemoth mortgage applications database from Homethinking.com, which debuted in 2005 with a realtor transactions database. Sound boring? Real Estate’s Hottest New Mortgage Research Tool May 9th, 2008 Today’s real estate investors have a growing bounty of free Internet-based research options and tools available online. This nifty tool helps investors While shopping around for a lender, ask each for a list of charges and costs you must pay at closing.