HUD stepping up investigation into 'required use'
By Diana Golobay

The Obama administration wants to stir the pot on a highly contentious issue involving homebuilders and their customers: the legality of the discounts, rebates, closing costs, upgrades and other lures that builders often dangle in front of buyers -- but only if they agree to use the builder's affiliated mortgage lender.

In the real estate business, the issue is known as "required use."