Class that you take at an undergraduate school do count towards fulfilling pre-dental requirements. Most people finish all their pre-dental requirements while getting their bachelors degree. This is why there are so many science majors applying to dental school, because you finish your degree and get all your pre-dental requirements done at the same time. Classes for an associates degree also count, assuming they are the same level of classes someone pursuing a bachelors would take (CHEM, BIO, etc…). I think the only situation where classes don’t count are when they are AP classes earned by test taking high school. I am under the impression that for these types of credits, the class must be repeated.
Some have started out in a tiled Portakabin (with an expectation to move into larger premises after several months); for many years Kirkham’s Lancashire was made in a tiny room, and their ageing room was an old refrigerated ‘lorry’ they’d bought at low cost. Many small cheese-makers will let you visit (if you ring them up and explain what you’re wanting to do); this is definitely worth doing. The Specialist Cheesemaker’s Association arrange a farm visit every year to a different producer; these are worth attending – you will pick-up a lot!