Definitely use Seedsman and use BTC because you get a nice discount with it. I have got a good amount of seeds from there and they all germinate. DNAGenetics is phenomenal i grew an OG #18 that i got

I use Seedsman and its the easiest imo. Im growing 2 OG #18’s and 2 Cheese. They give a lot of freebies that you can practice on. I plan on using my Gelato #33 seeds next run.

because my veg tent is full of Cheese and OG #18. Its a fun expensive process, but the savings!