你需要有hardship先
比如說loss of income, unemployed, divorce, new-born, relocation etc. 很多時候house under water is NOT legitimate reason for short-selling.
你需要給銀行所有paystub, bank statements, tax returns before they can approve shortsale.
如果你qualify,很多銀行不會追difficiency.
找個靠譜一點的real estate agent 幫你。