Even with the heaviest HD Freezer Wrap, you are going to start to get some freezer burn if you do not eat it all up within 1 year.
I have found that after meat is stored for a year or more, the quality will go down.
This year, I just bought a new Chamber Vacuum Sealer for which the bags are way cheaper than Suction Style sealers. So, starting next year, I am going to start sealing my sausages in chamber sealer bags.