现在，他们买房的标准是租金回报率

Core Insights - The article discusses the current real estate investment strategies of individuals like Zhang Qiang, who are focusing on rental income rather than capital appreciation due to market volatility [1][7] - It highlights the shift in investment logic from relying on property value increases to prioritizing stable rental yields, especially in core urban areas [7][8] Investment Strategy - Zhang Qiang is considering purchasing a small apartment in Beijing's inner ring, with a listing price of approximately 1.5 million yuan, potentially negotiating down to 1.2 to 1.3 million yuan due to the seller's urgency [1][3] - The focus is on properties with low total prices and high rental yields, with Zhang's ideal investment being a small one-bedroom unit that can generate around 4,000 yuan in monthly rent [5][6] Market Dynamics - The article notes a trend where small unit buyers are primarily young individuals or investors seeking stable rental returns, with over 60% of transactions in the area being for units under 70 square meters [5][6] - It also mentions that the current market has a limited supply of high-quality, low-priced properties, making it essential for investors to act quickly [6][8] Financial Considerations - Professional investors calculate returns more comprehensively, factoring in various costs such as property management fees, taxes, and potential vacancy losses, which can affect the overall investment return [8] - For Zhang's potential investment, the estimated annual return rate is around 3.9% when considering all associated costs, which is slightly lower than his personal calculations [8]