The document discusses several options for micro-investing in residential property with small amounts of money, including co-investing with friends, using the equity in a family home as security to purchase an investment property, fractional property funds that allow investment in individual properties for as little as $100, listed property stocks and ETFs on the stock market, and contributory secured first mortgages that provide high yields with low risk. It notes both benefits and risks for each option, such as lower costs and diversification benefits but also less control and liquidity than owning a whole property.