Hard to get to 2 city. Evry has his own metod but you need to have 10 000 000 to get to 3 city.
Money for films are low. It would be better if you have all chicks on your paycheck but its impossible
costs are to high, mabey if you have in bank %5 cred. int. rate. it would help a little. (save load) . Films you can give to city or to your laptop after cut and add voice. If you give to laptop you must buy copy equipment to sell films in warehouse. And thats it. 3 city is important to give a lot of money to yor shops (1000000) it works like usual shop, you buy Staff and sell it. Customer have to have choice so invest rate must be high.