If you can afford it, then you can always give them away here: Free Seeds & Free Clones Thread (Part 15) 
And can sell some of them to pay for stamps, etc. and ofcourse your other costs of breeding.
Trading is another possibility.
You can do a bit of everything and anything!
But they do make an excellent dietary supplement with perfect ratio of omega 3, 6 and 9, and all kinds of minerals and other goodies, yes indeed!