Dateline: Oren Hope
Oren Hope provides marketing, copywriting, editing, and project management services for marketing campaigns large and small, on the web, in print, with technologies yet to be invented, and on planets yet to be inhabited.
Time-honored tools still work in the Internet age: a dictionary, a thesaurus, and the human brain.
Don't lie about your skills and experience, but don't be afraid to stretch your boundaries.
The reading brain actually works against the proofreading brain. But you can still improve your error-catching skills.
Your spell checker is your first line of defense against looking unprofessional.