Dialogue editing involves smoothing audible transitions between shots and scenes; fixing or replacing distractions such as excessive mouth clicks, noises, articulation problems; applying noise reduction (hum, hiss, etc.) if necessary; selecting the best mic if multiple were used; balancing volume levels between lines
Sound mixing involves mixing the dialogue, sfx, and to the optimal sound level and balanced frequency spectrum.
Rates are on a per-project basis. Contact me for a free, no-obligation quote.