I just dumped 6 jars. Still have 2 jars of kveik yeast; should get that down to 1 jar. (I really should dry some kveik yeast next time I brew with it) The freshest jar is under cider. Maybe I should make a starter with that to get it into a less hostile storage environment, then I can toss the 4 month old jar.
I only brew a few times a year, in a good year that might be 6 times. I would like to have a "house yeast" that I can brew everything with. The Voss kveik would almost do it if I kegged, but it struggles to carbonate because I can't keep the bottles warm enough except in the summer. Maybe kveik yeast in the summer and fall, and Kolsh or English ale yeast in the winter and spring. I really like the idea of freezing yeast because then I could do one-offs and save some to brew with again next year.