I use packing cubes - those soft sided zippered square/rectangle bags to go in suitcases. Both my fresh water hoses go in one; power cord in another. Dump tank supplies (including hose) go in a plastic bin with lid.
Pros: they can fit in tighter and/or awkward places since they are soft-sided; they don't take up extra room that isn't needed by the hose/cord; they have a handle on the end that I can easily grab and pull it out of the compartment; there are many color choices so you can color code (one color for hoses, one for 50 amp cord, one for 30 amp cord, etc.); they have many different sizes so you can find the best fit for each item; they also work great to keep smaller items together in cupboards, etc.; if they get dirty, they can be washed.
Cons: none so far.