Remain focused on your business development. When first starting, you will have a small amount of money and access to only a few businesses. Always focus on expanding. You will need at least $10,000 to keep expanding your business later. Repeatedly tap to speed time. Choose buildings with a higher holding capacity and lower threat levels. By doing this you will not be have to wait for a longer time the next time you resume the game. Upgrade your buildings and collect money before leaving the game. Continue upgrading your buildings and collecting your money.