Start with the location, not the price. An exposed hose behind a cooker that gets knocked twice a week has different requirements from one buried in a wall for fifteen years. Metal-covered hose (stainless corrugated core, PVC sheath) wins on exposed indoor runs — it bends tight, resists a knock and you can see the armour.
Rubber composite is the volume product for kitchens and canteens. It is cheaper per metre, it is quieter when a pressure regulator cycles, and a good one is rated for ten years. What it does not like is UV and repeated flexing at the same point — so keep it out of direct sun and off a sharp edge.
Corrugated stainless without sheathing is for concealed work: one continuous run, fewer joints, and you cut it to the site measurement. If the wall is going to be closed up, this is the one to use — but every joint must be accessible or properly tested before it disappears.
