Writing

but the published will be the final arbiter of what they decide to sell, how much editing is needed, price, all that stuff. And, for that matter, whether it is finished or not. So any money spent now might be just down the drain.

But to shop it to an agent you don't need the whole thing, just portions, and the idea. Frankly, I don't know that I would give an agent the entire work, because if they don't wind up representing you it would be very disheartening to find it, or a near version, in print by someone else later.

I wouldn't spend the money on the whole thing, but depending on what you have, a few sheets or your best chapter or two might be worth a perusal by someone that can not only spell, but has a bit of a handle on grammar.

Oh, and get ready. Everyone that reads it from now on out will be suggesting edits