Don't buy from seedbanks imo. Go directly to breeders or only deal with seed banks that tell you where your seeds come from and have direct relationship with breeders. The white label sites are 99% scam(ILGM, Crop Kings, etc). if you want something and want good genetics, go to the source.
Brothers Grimm(Cinderella 99) is a great breeder and you can buy direct. There are tons of other great breeders you can now buy direct from since the Hemp rule changes. Look up some strains you want, see who created it, then head to their website to see if you can buy it.
For a young grower I can't recommend BG enough. Their genetics and seeds are super vibrant and the definition of hybrid vigor.. We've done 2 runs of BG seeds now. Apollo XX(Genius x Cinderella 99), and Rosetta Stone(Jack Herer x Genius) and had 100% sprout in both strains popping 85 seeds at a time.
Here's what a veg run full of the Apollo XX looks like that we're flipping today into flower. Very uniform genetics, their female lines will never express more than 1 or 2 pheno types. If you're looking to pheno hunt, their female lines are not the choice, but if you want super stable genetics, they're good shit.
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If you buy direct from most breeders in bulk you can get seeds down to $2ish each.