Former President Donald TrumpMark Lyons/Getty ImagesDonald Trump has pledged to lead a mass deportation campaign once elected.That would create a major labor crunch for homebuilders, driving wages and costs higher.Here's how Trump's plans could hit the workforce and homes costlier for buyers. Donald Trump's vow to crack down on immigration doesn't bode well for priced-out homebuyers.The Republican presidential candidate has promised to lead the largest deportation campaign in US history if reelected.