Thanks to those for voting in this weeks poll! COTJ asked readers to share how many hours they spend preparing for an interview, here’s how it went: 1  First Place: 64% 0-1.2  Second Place: 27% 1-2. 3  Third Place: 9% 2+.ere are some factors you should consider when preparing for your interview: 1  Put strong effort into really knowing your resume. 2  Study the company. 3  Spend 10-15 minutes preparing some questions that you can ask the interviewer. 4  If lucky enough, you might even be told what to expect on the interview. 5  Write down a list of projects you’ve worked on. 6  Pra