What is the most important factor regarding spa maintenance service?

What is the most important factor regarding spa maintenance service?
Technicians show up on time
2  33.3%
Skilled technicians
2  33.3%
Price of service
1  16.7%
Cleanliness
1  16.7%

Number of Voters  :  6
First Vote  :  Sunday, 04 January 2009 23:51
Last Vote  :  Thursday, 10 June 2010 17:00