In the mod sections go to objects then click on the government subsidized sign place as many as you want down. They don't cost anything to place .They give 100k an hour. turn speed up to x120 sit back and wait. this can be done in in normal mode so you start off with a house car and tractor there is another method but only works in farm manager. This is from the pc version of the game as i haven't gotten the ps4 version works on xbox as well