Having owned a few Snowblowers in my life, let me pass on a few tips.
1- Coat the auger, Impeller, and Chute with a coating to help the wet snow NOT CLOG. Possibilities are "Dupont Teflon Ice & Snow", Floor Wax, WD-40, Silicone Spray (not a good choice), and coating the surfaces beforehand with car wax.
2- Make sure all gas is fresh and add Fuel Stabilizer. Drain all the gas at the end of the season.
3- End of the season storage preparation is what matters to how long the machine lasts. Most important take out the spark plug and buy a cheap syringe at the drug store and use it to put a Tablespoon of Clean fresh Motor oil in the spark plug hole, then operate the manual pull handle to distribute the oil in the cylinder, replace the plug. Then pull the start cord again slowly until it reaches maximum resistance and stop, this closes the valves and keeps moisture out of the cylinder. Incidentally, the reason This is a critical care is because Snow Blower engines DO NOT HAVE AIR CLEANERS. They injest moisture far more commonly than say a lawn mower, so the air drawn into a snowblower contains a lot more moisture, especially in a storm, but always when blowing snow. So prevent the corrosion this way and your new snowblower will last a lot longer
4 Wash and wax the machine, oil and grease all parts that need it (100% Synthetic Grease doesn't dry, and it is very water resistant. I use synthetic all purpose grease, which comes as a spray, a can or a tube for a grease gun.
5 Cover with a cover that allows moisture to escape, not a sheet of polyethelene, this helps prevent rust. The machine should be kept clean especially if the road in front of your driveway is salted, as it is where I live. Salt is highly corrosive and must be washed off with a good scrubbing, rinsing alone does not do it, salt clings stubbonly to the painted surfaces. This is another reason why keeping the painted surfaces waxed is a good idea. ( I rinse the snow, slush and salt off after each use with a garden sprayer (3 Gallons) that is filled with hot soapy water, and then I rinse it the same way. A brush or mop to scrub with helps as well. I ONLY do this to the auger and impeller and the housing around them, not the engine. ) Most of us don't turn on a garden hose in winter, this the way around that problem.
6 Store the machine inside out of sun if possible, if not make sure the tires are covered so sunlight can't get to them, and inflate them so they are not going flat before next winter. Rust (oxidation) is a chemical reaction. Like most chemical reactions heat speeds up the process. Sunlight and a warm storage area will make your nw snowblower rust faster. An unheated garage is perfect storage.
7- Inspect the friction plate, and friction wheel rubber for wear. This is the time to get the machine serviced, not in November.
8- Inspect and adjust any drive belts, or if you have a track drive, the track belts.
FYI - my last 2 stage lasted me 15 years and I just donated to a man who wants to refurbish it, it was a Craftsman made by MTD, it cost me $ 1100.00 15 years ago. 9 HP 26" wide track drive. These maintenance items allowed me to do that.