Sure, here is the advice in a succinct form:

1. CV Restructuring Tips:

   • In my experience, tailoring your CV to highlight relevant marketing qualifications is key.
   • Show off your one year (or more) experience in a similar role and emphasize on achievements.
   • Highlight your abilities in client retention and customer base growth.
   • Showcase experience in customer relationship management, telemarketing, and direct selling.
   • Don't underestimate your experience in reception duties, it shows you're versatile.

2. Areas to Note in the Job Listing:

   • Survey the method of application closely. Directly apply via the given link, and select the right position 'GT Marketing Intern' in the Job Opening drop-down menu.
   • Take note that this a trainee position, but a marketing qualification and a year's experience is needed; it's not an entry-level job.
   • Understand the geographic location 'Harare, - , Zimbabwe' and be prepared to work there; job offers in Zimbabwe may mean relocating for some.
   • The job role is diverse with customer relationship management, reception duties, telemarket, and occasion direct selling; prepare mentally for multiple responsibilities.
   • There's no clear deadline for applications, so apply early; in this job search in Zimbabwe, being ahead of time is beneficial.

3. Standing Out in a Crowded Candidate Pool:

   • What I've noticed over time is that candidates who illustrate a strong drive to excel in sales and customer service tend to stand out.
   • Demonstrating commitment to professional growth and eagerness to grow in this field will impress the recruiters.
   • Being proactive by conducting a knowledgeable conversation about the recruiting company's performance, you're showing you're already invested in the job. It's a highly effective way to stand out in the sea of job vacancies in Zimbabwe.

4. Undervalued Important Details:

   • The marketing qualification requirement indicates this company values theoretical knowledge. Rookies may not understand this part's importance.
   • Unlike many vacancies in Zim which are entry level, this 'trainee' role asks for experienced individuals. Novice applicants may mistakenly treat it as an easy win.
   • This listing doesn't provide a contact option, it intentionally directs applicants to the application link. The company aims to streamline applications, and many novice applicants may not consider it as an indication of the company's work culture.