i cant really remember this quest as i done it over a year ago - but what i can remember is that it dosnt really matter - if you use tipit's guide for legends just plant it in the spot and you should be ok ( i hope lol)
with your skills atm you will never make 1-2 mill in an hour or 2 so first thing is get your skills up - but then there is no fun way of getting that amount of cash in such short times