You'd have to be a little insane to bring your own team with no prior experience. Or just have money to burn.
Entry fees for two trucks of crew and two riders are well over $100,000. That's just entry fees.
Then you start getting into the expensive stuff like trucks and bikes and spares and flights and training bikes and training and and and.
A good privateer moto effort for one, you're looking $50-90,000, depending...