Replying to Anyone who is a sales rep or knows anything about sales reps?

i am currently in talks with a small, private company about becoming a sales rep for their product. I dont know much about retail, but i do know that i present the company a fantastic opportunity for market penetration in an untapped area could honestly probably double their sales. They seem to like the idea, but are curious how the logistics of the sales rep program would work. i am just curious how being a sales rep would normally work, anyone have any insight?