Conner you will not make money from pigs of any sort unless you have access to free food, I buy weaners at £50 each and sell the finished butchered product at £380 a pig and I still make no money out of them . Feed costs are high, transport, killing and butchering are also high. As for micro pigs well as you will already have heard there is no such thing. If you look on sites like preloved you will see dozens of so called micro pigs which unsuspecting people have bought only to find they have big pigs on their hands and are no longer able to keep.
If you are serious about smallholding stay away from the gimmicks and resign yourself to working hard for the pleasure that your animals give you, the satisfaction of eating your own pork, lamb chicken and eggs etc.
I find that my hens pay for themselves through egg sales and I am hoping that my sheep will do the same through lamb sales.
I suggest you have a good read through the pig topic and if you find anyone on there making money please let me know!