Professional proof reading costs money. If you are modifying your resume for each job you are applying, it will cost you a fortune. And asking your friends who

Professional proof reading costs money. If you are modifying your resume for each job you are applying, it will cost you a fortune. And asking your friends who speak English natively(very few immigrants have those) is not so good since most native speakers have grammar problems( unless you have a friend with a Phd in English lit).