Make first impressions count and offer warm greetings with all you speak to.
Put on a clean suit. Wear it sharp and neat.
Try not to oversell who you are.
Don't worry by thinking of pessemistic happenings.
Read about the business, owner, and job role.
Advice for those looking for employment:
"One step at a time. Remember that your CV will not get you the job on its own. Its purpose is to get you the interview. Make sure your CV will pique the employers’ attention so that you can get the first interview - and then that is where you will get the job."