Memoir Manuscript Line Edit

I have a memoir manuscript sitting at roughly 20–50k words that now needs a meticulous line edit. The big-picture structure is locked, so I’m looking for someone who can focus on sentence-level polish—tightening... (Budget: $250 - $500 USD, Jobs: Content Development, Content Writing, Copy Editing, Editing, English Grammar, English Spelling, Proofreading, Writing)