Alternatively Deere will lobby to get the EPA or some other bureaucracy to add an Oxford comma somewhere there wasn't one before necessitating expensive major revision to everything you make and you will be bankrupt long before the courts rule that no they didn't really have the authority to make that rule change.
(1) go and do farm work for a few years, doing anything anybody needs for a few medium sized operations and talking to everybody
(2) pick one product and advertise that you're building a competitor, emphasize that it's maintainable in the field and made from commodity parts
(3) struggle to actually launch or sell it because manufacturing physical stuff is incredibly hard. Take lots of outside investment
(4) ship 100 units and credibly claim to be able to ship many more
(5) Deere will buy you for $1bn and shut it down, which was your plan the whole time