To distinguish the good resume writing services from the bad ones you need to find out how they proceed with the task. A good service asks you to fill out an online question. They also set you up for an interview with the writer. This ensures that the writer is aware of all details that must be present in your resume. If a personal interview is not possible they may also provide you with other ways to get in touch with the writer.
Mass production may be suitable for nuts and bolts; however it sure is not the right method to create your resume. This is what the resume mills or factories do - produce resumes that all look the same. When a prospective employer receives hundreds of applications and your resume is similar to the majority of them the impression created is not good enough to warrant an interview. Most likely it will not even be viewed.
Chronological Resume Sample This is the most commonly used format and hence most sample resumes you see are written in this format. The job experiences are presented in reverse chronological manner in this format. Presenting the details in this format, you will provide the sense of security to the employer that you dont have any employment gaps in your past. If you have any gaps in your past, you should prefer using different format for presenting details. The sample resume of this type will list the key skills before employment history. Sample employment section will include the details listed in reverse chronological way.