Busy Gold Miner

An old and poor man is busting his ass to mine gold in different valleys. He has to raise his family,so he has to work hard. There are golds and diamonds scattered here and there in the valley,however,before he could reach those golds,troubles come first,he must overcome those difficulties. The rule is that he must roll up enough golds in a limited time,if he cant reach the goal of that level,hell be ousted from there and stay hungry for a whole day.
Your mission is to collect as much money as possible before time runs out in each level. Between levels you can buy some bonus items that can help you in the next level.