As the topic suggests, what if out-sized cargo (yachts, drilling rigs, etc) was hauled inside the gas hulls?
After loading, re-seal the hull and re-pressurize it with hydrogen or helium.
Yes, we know that lifting gas is traditionally contained in separate fabric vase-cells. This new design would require special-shaped gas cells to wrap around out-sized cargo.
Remember that hydrogen is less expensive because it an he generated anywhere on earth, but helium is only available as a by-product of the petroleum industry and most of the world’s helium currently comes from the USA.