That sounds pretty extreme. Boat hulls are designed to lift through factory design. Modifying the hull could seriously damage the integrity of the hull (boat).
Hull strakes don't affect low speed handling and they don't aid in pointing. They also don't improve chine walk.
Trim tab will give you far more effective stern lift at slower speeds. bow wander at slow speeds is the product of physics, it happens with all boats and is exacerbated by over steering.