Depends, in my opinion the eaysest strain to grow is Northern lights as it lets many newbee mistakes slide, as for seeds these are the US seed banks i have used, DC seed exchange cash only, Pacific Seeds cash only, Growers Choice cash only? Oregon Elite Seeds cash, debit and credit, Crop King USA cash, credit and debit, Methisto USA autoflowers only! Open when they feel like it, debit and credit.