1. Of course, the developer pays off the land payment in one lump sum, so can it be paid in installments ... but the loan can be mortgaged, but the loan cannot be paid in installments.

2. The obligation of the builder (commonly known as the contractor) to repair the house has a certain period, which is the so-called contract warranty period. During the warranty period, the contractor is obliged to maintain the house. At the end of the warranty period, when the house has no obvious quality problems, the developer will pay the warranty money to the contractor.