Loose single seeds let you try eight different strains for the price of one pack, which is the cheapest way to survey what a breeder does before committing to a full pack of anything. The trade off is no breeder packaging and therefore no way to verify origin. Singles at
https://budweedseeds.com
are drawn from opened breeder packs and the listing states the batch, which is the least I would accept. If one of the singles turns out great, you will wish you had bought the pack.