You can order them online for a reasonable price. Check seedboutique, which I've had luck with multiple times in the past (also a Masshole )
Yes, feminized seeds do exist but cost more and you need to watch out for hermaphrodites extra carefully with fem seeds, just as you do with dank bagseeds, which are often 'feminized' because of a stray hermaphrodite in the cashcropper's garden that produced pollen with no Y chromosome.