Group 1 - The importance of thorough preparation before purchasing a second-hand house, including understanding market trends and recent transaction prices in the same area [2][3] - Gathering information about the seller's urgency and reasons for selling can provide leverage in negotiations [4][5][6][7] Group 2 - Identifying defects in the property during viewings can serve as a basis for price negotiations [8] - The sequence of negotiation is crucial, suggesting that the agent should initiate the first round of price discussions [8] Group 3 - The timing of the offer can impact negotiation outcomes, with specific periods such as year-end or during market adjustments providing better opportunities [10] - Tax and fee negotiations can also be a form of price reduction, as can requests for included furniture and appliances [12] Group 4 - Caution against "fishing prices" that are significantly below market value, as they may indicate underlying issues [14] - Avoid excessive bargaining that could lead to losing the opportunity to purchase the property [14]