One is usually readily available, discarded by previous hikers, and I likewise leave it available on the other side of the creek for the next traveler who needs it. A bit of sanding, staining, and a hole for a leather strap finishes it nicely. I thank him for sending me one after we met on a Volunteer Vacation. Stoves You can carry your liquid gas, and refill and prime and pump and clean orifices all you like. The newer models allow you to unscrew and remove the gas canister if you wish.
Most backpackers know about and use moleskin to forestall or solve blister problems.
The same company also makes Mole Foam, a thicker version which provides much more padding and protection for tender areas. You can even cut out the center of one of the patches making a donut hole around a really sensitive location. It is especially useful to cushion the occasional heel blister. It's for splinting poles which are damaged during a trip. Resist the temptation to leave it home.