I guess everyone has their own ways but, as far as the freezing method goes, here is a bud that is from 3 years ago that a friend of mine recently gave me some of:
These are TWxKush and believe me when I say, even 3 years frozen... they smoke like a dream... cheers!

These are TWxKush and believe me when I say, even 3 years frozen... they smoke like a dream... cheers!