This document discusses borrowing against marketable securities through InSource Capital. It offers loans of 70-90% of the portfolio value at interest rates as low as 1.6%, with funds available within 7-10 business days. Unlike margin loans or non-recourse stock loans, these loans do not require transferring title of the underlying securities. Qualifying securities include stocks, mutual funds, bonds, and ETFs. Common uses of the funds include business financing, down payments, and real estate purchases.