If the time limit for handling the real estate license agreed in the contract is exceeded, you can request to return the house. When buying and selling second-hand houses, there are the following points to pay attention to: 1. Whether the housing procedures are complete (check the real estate license, land certificate and deed tax certificate in some areas); 2. Whether the property right is clear and uncontroversial (whether there is mortgage, seizure, divorce, inheritance and ownership); 3. Whether the transaction house is rented (note: the sale does not break the lease); 4. Whether the land situation is clear (whether there is land mortgage, seizure, etc.). ); 5, whether the municipal planning (whether in the red line of demolition); 6. Is the house legal (don't build it illegally, etc.). , and can not handle the transfer); 7, whether the unit housing infringement (welfare housing distribution, etc.). ); 8. Whether it is in arrears with the cost of water, electricity and heating property, the household registration in the property must be moved (especially in the school district); 9. Whether the intermediary company violates the rules (choose the regular brand intermediary of the national chain to avoid the black-hearted intermediary from eating the price difference, etc.). ); 10, whether the contract is clear (liability for breach of contract). You can use the following services for questions about microfinance in different places: ask questions to TA.