Service

Prices will vary from place to place as with any product or service. Things you should ask and check or verify for yourself are.

Experience:

Should be at least 10 years of full time work. Trained by others with as much or more exp. Just because someone can set up a table doesn't mean they got it right.

References:

Should be available by phone or reviews posted online. An excellent site which does not remove or "filter" reviews is Ikarma.

License and Insurance:

A MUST!