Is there any money in selling carpet accessories online?

i want to start my own flooring business, and i think the best way to start would be online, i want to sell underlay, gripper, adhesives and any accessories. but dont know where the best place would be to sell it online, and also is there any places in southampton that i can buy all these accessories real cheap? ive tryed buying it online but they all charge extreme delivery charges! can anyone help??