When choosing an elevator, the following factors can be considered: 

1. Experience and reputation: Choose an elevator manufacturer or installation company with years of experience and good reputation. 

2. Product quality: Choose elevator products with reliable quality and high safety. 

3. Service and Guarantee: Choose an elevator manufacturer or installation company that provides comprehensive after-sales service and guarantee. 

4. Price and cost-effectiveness: Choose elevator products and services that are reasonably priced and offer high cost-effectiveness. 

When installing villa elevators, it is necessary to follow local building codes and elevator safety standards, and have a professional elevator installation company perform installation and testing. After installation, regular maintenance and upkeep are required to ensure the normal operation and safety of the elevator. 

In short, villa elevators are a convenient and luxurious home facility, but safety, reliability, maintenance, and price issues need to be considered. When selecting and installing villa elevators, professional opinions should be consulted and relevant regulations and standards should be followed.