Aight so you make money each day (daily income)

1) buy all the wine in the HQ vending machine
2) invest your daily income into a stock ( any stock, we're building equity, not trading)
3) go to your apartment
4) drink all the wine
5) sleep for 24 hours
6) invest your accumulated daily income into a stock
7) a. go to step 1 and repeat
b. eventually you'll be rich (eventually)

if you get to the wetlands you can swap the wine for mushrooms and sleep in the mushroom keepers bed for a much faster turnaround.