Lots of things you need to think about - it's not complicated, but planning makes it so much better & easier
Things for your list
Creating the environment fencing, water, food, wallows, shade, arks
Buying weaners pedigree or crossbred; buying for meat or breeding
Feed what you can feed, how much and when, artificial feed vs natural
Regulations complying with the rules !
When will your pigs be ready estimating weight, time of year and impact on pig.
Slaughter planning ahead, transporting, who does what between abattoir & butcher
Finding an abattoir, what to ask and what to do when you go there
Finding a good butcher and what they and you need to talk about
What you get from a pig what cuts you get and how much
Pig Health looking after your pigs, and knowing when and when not to call the vet
A good book will cover all these, and give you a great start
[advert on] We do a book which covers all the above, as well as breeding should you move onto that later. we also do courses.
[advert off]
There are other good books out there, and courses as well.