Allow the MID only for principal residences – as opposed to also allowing it for second homes.
Eliminate the MID for home equity loans.
Reduce the MID loan cap (currently, $1 million for joint filers).
Means test the MID – in other words, limit use of the MID to those who financially need assistance to buy a home.
Restrict the MID to first-time homebuyers.
Limit the number of years the MID canbe claimed.
Make the deduction “above the line” meaning that even taxpayers who claimed the standard deduction – instead of itemizing – would benefit.