The way you create your resume has direct consequences on your overall chances to grab an invitation for an interview. There are only two possibilities either your resume will package you in a winning way or you will be sacked. A good resume writing advice: give proper attention to the template when the resume writing is being done. There are many significances of a good template.
Avoid being vague If you have references include them. Dont say available upon request. If you have gaps in employment explain them clearly. They will probably come up in the interview anyways. Being prepared in advance by giving complete information in your resume is better than being caught off guard in the interview or worse skipped over all together.
No contact address is available. If the service does not have a physical location they may not be a suitable option for you. The chances are they are more into mass production of average documents. Numerous resume mills employ non-skilled individuals overseas to create these documents. They get hold of your current resume embellish it with the information available from the questionnaire and place it in a standard format.
Functional resumes are good when you have little to zero work experience (or new grads). This type of resume allows you to showcase skills that fit in with the job requirements. Fair warning: most recruiters and hiring managers dont like this format and feel as though you may be hiding something. If you have a chronological resume you do not want to have one part chronological and one part functional because it will throw off the entire formatting and may confuse the employer about your skill set.
Combination resume is the combination of above two formats. It is getting popular these days as it includes the features of above resume formats. Just like the resume formats, there are different types of resume samples. Combination, functional and chronological are the three main types in which samples are provided on most online websites.