CV + COVER LETTER [ MAX BUDGET 30Euro ]

I am currently trying to apply for different retail management positions : perfect time for me to refresh my current CV and get support to build proper cover letter. Your expertise and on similar task in retail industry will be perfect. I can share my current ones as reference. I have never worked on Cover letter and will leave it complete for you. I will also share my LinkedIn so you can review my profile. I am looking for native English professional for that project.
Thank you