Ask yourself - is a cheap resume of any worth if all it does is extending the period of your job search? The answer is simple - no. The cost should not be the sole focus when you choose a resume writing service. The priority should be on the quality of the final product. Only a unique resume that captures the attention of prospective employers and guarantees an interview call is worth your money.
Functional format is best for those who are switching their career or have large employment gaps on their resume. In this format, you dont have to list the joining or resigning dates of the previous employments. Functional format will hide your employment gaps or your job switching.
Add in a list of skills Your resume is no place for modesty. Highlight your skills especially if they are specific to the job youre applying for and list where you gained experience with that skill set. Instead of being general give concrete details and highlights. For example list your experience with Microsoft Office or even a particular piece of software over computer skills. Make sure to include plenty of competency statements.