This document discusses investing in mortgage notes. It provides details on re-performing and non-performing notes, including typical purchase prices which can range from 60-80% for re-performing notes to 10-40% for non-performing notes. An example is given of purchasing 271 payments on a $160,316 note for $105,000, representing a 12.15% yield. Benefits of purchasing notes through a Roth IRA are also mentioned.