this kind of information source mainly includes open information channels, market research companies, government departments, relevant experts, real estate and other related industries and field surveys.
1. Public information channels: including various media and network information.
2. Market research companies: professional companies can provide market data and competitor information.
3. government departments and relevant experts: government agencies and industry experts can provide policy information and professional advice.
4. Real estate and other related industries: Real estate developers and property managers can provide real estate information and lease conditions.
5. field investigation: field investigation can obtain first-hand information of the target location.